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  • This is a giant pacific octopus (Enteroctopus dofleini) investigating a pile of northern Pacific seastars (Asterias amurensis) and blue bat seastars (Patiria pectinifera) that are scavenging a dead giant pacific octopus. One arm of the dead octopus is visible. Most of the dead cephalopod had already been consumed. This octopus touched and caressed the remains of the dead octopus for a few minutes, then departed.
    enteroctopus-dofleini-giant-pacific-...tif
  • This is a pile of northern Pacific seastars (Asterias amurensis) and blue bat seastars (Patiria pectinifera) that are scavenging a dead giant pacific octopus (Enteroctopus dofleini). It took several days for the entire octopus to be consumed.
    enteroctopus-dofleini-giant-pacific-...tif
  • This is a giant pacific octopus (Enteroctopus dofleini) foraging for food. The animal has enveloped rocks in order to search holes and crevices for prey.
    enteroctopus-dofleini-pacific-giant-...tif
  • This is a juvenile giant Pacific octopus (Enteroctopus dofleini), about 7cm to 8cm in diameter when the octopus was in this position.
    enteroctopus-dofleini-juvenile-giant...tif
  • This is a giant pacific octopus (Enteroctopus dofleini) gliding across the ocean bottom in the northern waters of Japan.
    enteroctopus-dofleini-pacific-giant-...tif
  • This is a Pacific deer cowry (Lyncina vitellus) with eggs.
    lyncina-vitellus-with-eggs-pacific-d...tif
  • This is a stubby squid (Rossia pacifica), a relative of bobtail squids. This species is native to the North Pacific, found in a wide range of depths, from 20m to 1300m. This individual was between 10cm and 12cm in total length.
    rossia-pacific-stubby-squid-japan-20...tif
  • Sashimi set of three different cuts of whale meat, sourced from the Southern Ocean and North Pacific, for sale at the Tore Tore Market in Shirahama, Wakayama Prefecture, with other whale products for sale in the display visible beneath
    sashimi-set-north-pacific-and-southe...tif
  • This North Pacific humpback whale (Megaptera novaeangliae kuzira) was part of a group of whales that engaged in cooperative bubble-net feeding for several days. One morning, this whale breached multiple times, prompting the other whales in the group to breach and pectoral slap for an extended period of time, as they ended their social foraging behavior and the whales went their separate ways.
    humpback-whale-breaching-alaska-2018...tif
  • This North Pacific humpback whale (Megaptera novaeangliae kuzira) was part of a group of whales that engaged in cooperative bubble-net feeding for several days. One morning, this whale breached multiple times, prompting the other whales in the group to breach and pectoral slap for an extended period of time, as they ended their social foraging behavior and the whales went their separate ways.
    humpback-whale-breaching-alaska-2018...tif
  • North Pacific humpback whale (Megaptera novaeangliae kuzira) fluke in the warm light of a late summer evening in Alaska
    humpback-whale-fluke-late-evening-al...tif
  • This is a North Pacific humpback whale (Megaptera novaeangliae kuzira) breaching at 9:30PM in Alaska. Warm light from the final minutes of sunlight for the day illuminated the whale and ocean spray in a rainbow of color, reflected in the calm evening water.
    humpback-whale-breaching-at-night-al...tif
  • A North Pacific hemisphere humpback whale calf (Megaptera novaeangliae kuzira) breaching on a sunny day in the calm waters of Chatham Strait in Alaska.
    humpback-whale-calf-breaching-alaska...tif
  • This North Pacific humpback whale (Megaptera novaeangliae kuzira) was part of a group of whales that engaged in cooperative bubble-net feeding for several days. One morning, this whale breached multiple times, prompting the other whales in the group to breach and pectoral slap for an extended period of time, as they ended their social foraging behavior and the whales went their separate ways. The weather was unusually clear, providing a view of the Fairweather Range of mountains in the background.
    humpback-whale-breaching-fairweather...tif
  • North Pacific humpback whales (Megaptera novaeangliae kuzira) engaged in cooperative bubble-net feeding to capture herring, with sea gulls taking advantage of the whales’ hard work. The whale with its mouth facing toward the camera is the lead individual.
    humpback-whales-bubble-net-feeding-a...tif
  • This is a North Pacific humpback whale (Megaptera novaeangliae kuzira) breaching at 9:30PM in Alaska. Warm light from the final minutes of sunlight for the day illuminated the whale and ocean spray in a rainbow of color, reflected in the calm evening water.
    humpback-whale-breaching-at-night-al...tif
  • This is a 7mm-long juvenile smooth lumpsucker (Aptocyclus ventricosus) sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This fish grows to a size of around 40cm and is known from Northern Pacific waters down to 1700m depth. It is the only known member of its genus.
    aptocyclus-ventricosus-juvenile-smoo...tif
  • This is a Nihon grunt sculpin (Rhamphocottus nagaakii), a fish that is native to the northwest Pacific. The Japanese name is kuchi-bashi-kajika. Photographed in Miyagi Prefecture, Japan.
    rhamphocottus-nagaakii-nihon-grunt-s...tif
  • Pictured here are freshly deposited eggs of a seven-lined prickleback (Ernogrammus zhirmunskii). This species is found in the Northwest Pacific. The eggs are around 3mm in size, excluding the signature spikes.
    ernogrammus-zhirmunskii-prickleback-...tif
  • This is the face of a mature male Agonomalus proboscidalis fish, with a blue bat seastar (Patiria pectinifera) in the background. This species is easily recognized by the distinctive elongated proboscis. It is native to the cold polar waters of the northwest Pacific.
    agonomalus-proboscidalis-barbed-hunc...tif
  • This is a sea raven (Hemitripterus villosus), a fish native to the northwest Pacific.
    hemitripterus-villosus-sea-raven-jap...tif
  • Pictured here are intermediate sea urchins (Strongylocentrotus intermedius) spawning in the evening. Found in the northwest Pacific, this species is one of several that are regularly consumed by people. The orange urchin is a female releasing eggs after detecting sperm that has been released by males.
    strongylocentrotus-intermedius-inter...tif
  • This is a species of clingfish (Aspasma minima) that is found in the northwest Pacific. This individual was one of a pair that was living on a large growth of brown algae (Ecklonia cava). As can be seen here, the fish is capable of turning its eyes to look directly overhead.
    aspasma-minima-clingfish-japan-20210...tif
  • Pictured here are four newly hatched lumpsucker (Eumicrotremus awae) juveniles, around 2mm to 3mm in size, about the size of a sesame seed. These baby fish stayed together for a brief time, hidden among intricate folds of red algae (Pugetia japonica), before dispersing around the reef. Known as dango-uo in Japanese, these fish are found along the Pacific coast of the main island of Honshu.
    eumicrotremus-awae-juvenile-lumpsuck...tif
  • This is a head-on view of a Neoclinus lacunicola chaenopsid blenny, a species that can be found in shallow waters of the northwest Pacific. The species reaches a maximum length of about 6cm. The Japanese name for this fish is iwa-ana-kokeginpo. Photographed at a magnification of two times life-size.
    neoclinus-lacunicola-chaenopsid-blen...tif
  • This is a Shiho’s seahorse (Hippocampus sindonis), a species that is endemic to Northwest Pacific coastal waters of Japan and southern Korea. The Japanese name is hanatatsu.
    hippocampus-sindonis-seahorse-japan-...tif
  • These are eggs of a sculpin named <br />
Bero elegans, found in the northwest Pacific. The eggs of this species have a blue tint and measure about 2mm to 3mm in size. Photographed at a magnification of two times life-size.
    bero-elegans-sculpin-eggs-japan-2019...tif
  • Depicted here is the chaos of spawning of grass puffers (Takifugu niphobles) rushing onto a beach, female in the middle. This species has the unusual habit of spawning on land. At certain times of the year, large numbers in shallow water at high tide. When larger females beach themselves to lay eggs, males follow to fertilize. The fish rely on waves to take them ashore and return them to the ocean. Native to the northwest Pacific, grass puffers are the only pufferfish known to spawn onshore.
    takifugu-niphobles-grass-puffer-spaw...tif
  • This is a Nihon grunt sculpin (Rhamphocottus nagaakii), a fish that is native to the northwest Pacific. The Japanese name is kuchi-bashi-kajika. Photographed in Miyagi Prefecture, Japan.
    rhamphocottus-nagaakii-nihon-grunt-s...tif
  • This is a mature male Barbed Hunchback Poacher (Agonomalus proboscidalis), which is native to the cold polar waters of the northwest Pacific.
    agonomalus-proboscidalis-barbed-hunc...tif
  • Pictured here are fresh eggs of a six-lined prickleback (Ernogrammus hexagrammus), a fish that is found in the Northwest Pacific. The eggs are around 3mm in size.
    ernogrammus-hexagrammus-eggs-six-lin...tif
  • Close-up view of eggs of Icelinus pietschi in various stages of development. This species of sculpin is native to the northwest Pacific. Each egg is a few millimeters in diameter. Photographed at four times life-size magnification.
    icelinus-pietschi-sculpin-eggs-japan...tif
  • This is a small Eutonina indicans hydrozoan, measuring about 4cm in diameter. This species is found throughout the North Pacific and North Atlantic oceans. It inhabits shallow coastal waters.
    eutonina-indicans-hydrozoan-aggregat...tif
  • This is a Gymnocanthus herzensteini sculpin, native to the Northwest Pacific Ocean. Normally found at depths of 50m to 100m, this fish ascended to a shallow area during an upwelling of cold water from the deep. It measured about 30cm in length and was highly inquisitive.
    gymnocanthus-herzensteini-sculpin-ja...tif
  • Close-up view of developing eggs of Icelinus pietschi, a species of sculpin native to the northwest Pacific. Each egg is a few millimeters in diameter. Photographed at four times life-size magnification.
    icelinus-pietschi-sculpin-eggs-japan...tif
  • Pictured here are intermediate sea urchins (Strongylocentrotus intermedius) spawning in the evening. Found in the northwest Pacific, this species is one of several that are regularly consumed by people. The orange urchin is female, which releases eggs after detecting sperm that has been released by males.
    strongylocentrotus-intermedius-inter...tif
  • Depicted here is spawning of grass puffers (Takifugu niphobles), a small species of pufferfish native to the northwest Pacific. The female in the foreground has just released yellow eggs. The male in the background is fertilizing the eggs. This species has the unusual habit of spawning on land during high tide at certain times of the year, as shown here.
    takifugu-niphobles-grass-puffer-spaw...tif
  • Depicted here is the chaos of spawning of grass puffers (Takifugu niphobles) rushing onto a beach, female in the middle. This species has the unusual habit of spawning on land. At certain times of the year, large numbers in shallow water at high tide. When larger females beach themselves to lay eggs, males follow to fertilize. The fish rely on waves to take them ashore and return them to the ocean. Native to the northwest Pacific, grass puffers are the only pufferfish known to spawn onshore.
    takifugu-niphobles-grass-puffer-spaw...tif
  • This is a pair of Pair of Aspasma minima clingfish hiding underneath part of a large growth of Ecklonia cava brown algae. This species is found in the northwest Pacific.
    aspasma-minima-clingfish-pair-japan-...tif
  • This is a newly hatched juvenile Eumicrotremus awae lumpsucker, a species found along the Pacific coast of Japan's main island of Honshu. The fish is 2mm to 3mm in size, perched on brown algae (Lessoniaceae). The juveniles retain this distinct pattern with white rings for a brief time, eventually taking on solid coloration that varies from brown and red to green, pink and other hues.
    eumicrotremus-awae-juvenile-lumpsuck...tif
  • This is a male Opistognathus iyonis jawfish hatching a mouthful of eggs. A few of the juveniles can be seen swimming away. There are also two unfertilized eggs visible. Like other jawfish, the males of this species care for and protect developing juveniles, keeping the eggs in their mouths through the gestation period. The reproductive season is during the summer months. This shy small fish is known from the waters of the northwest Pacific, including South Korea and southern Japan. It reaches a length of about six centimeters.
    opistognathus-iyonis-jawfish-hatchin...tif
  • Pictured here are freshly spawned eggs of a fish called spotty-bellied greenling (Hexagrammos agrammus), known as kujime in Japanese. The fish live in coastal waters of the northwest Pacific, East China Sea, the Yellow Sea and the Sea of Japan. Each egg is about 3mm in size. A developing embryo is visible at the bottom center of the image, with the eye and jaw structures just becoming discernable. Photographed at a magnification of four times life-size.
    hexagrammos-agrammus-eggs-japan-2019...tif
  • This is a mature male Pteragogus aurigarius wrasse, found in the Northwest Pacific around Japan and Taiwan. <br />
Males compete with one another to establish territorial boundaries. This individual has just engaged in a brief battle with another male. He is departing the area, suggesting that he was no match for the rival male. These fish are normally darker in coloration.  This light hue might possibly be a sign of submission. There is no common name in English for this fish. It is known as uhaguro-bera in Japanese.
    pteragogus-aurigarius-wrasse-male-ja...tif
  • These are the unusually shaped eggs of a seven-lined prickleback (Ernogrammus zhirmunskii), a small fish found in the Northwest Pacific and Sea of Japan. Each egg is around 2mm to 3mm in size, photographed here at a magnification of four times life-size.
    ernogrammus-zhirmunskii-eggs-seven-l...tif
  • This is a rare photo of a juvenile darkfin sculpin (Malacocottus zonurus), about 6cm in length. This genus of fish is found in the North Pacific, generally in deep water, known to a depth of 2000m.
    malacocottus-zonurus-juvenile-darkfi...tif
  • Japanese sea cucumbers (Apostichopus japonicus) are found in waters of the northwest Pacific, with a range comprising Japan, Korea, China, Sakhalin, the Kuril Islands and Alaska. This species generally comes in three color morphs: red, green, black. This individual is a rare albino, measuring about 20cm in length. Apostichopus japonicus is eaten in many areas. It is listed as Endangered in the IUCN Red List.
    apostichopus-japonicus-endangered-sp...tif
  • This is a head-on view of a 7mm-long juvenile smooth lumpsucker (Aptocyclus ventricosus) sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This fish grows to a size of around 40cm and is known from Northern Pacific waters down to 1700m depth. It is the only known member of its genus.
    aptocyclus-ventricosus-juvenile-smoo...tif
  • This is a juvenile smooth lumpsucker (Aptocyclus ventricosus) concentrating very hard on catching something to eat. Body size is about seven millimeters. This fish grows to a size of around 40cm and is known from Northern Pacific waters down to 1700m depth. It is the only known member of its genus.
    aptocyclus-ventricosus-juvenile-smoo...tif
  • This is a juvenile smooth lumpsucker (Aptocyclus ventricosus) with its mouth open. Body size is about seven millimeters. The fish is sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This fish grows to a size of around 40cm and is known from Northern Pacific waters down to 1700m depth. It is the only known member of its genus.
    aptocyclus-ventricosus-juvenile-smoo...tif
  • This is a juvenile Eumicrotremus uenoi lumpsucker, estimated length 3mm from head to tip of caudal fin. Adults of this species are generally a single color, losing the white rings that characterize the juveniles. This fish is sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This species is found in the North Pacific, on the western coast of Japan and southern coast of the Korean peninsula. Photographed at magnification of four times life-size.
    eumicrotremus-uenoi-juvenile-japan-2...tif
  • This is a Nihon grunt sculpin (Rhamphocottus nagaakii), a fish that is native to the northwest Pacific. The Japanese name is kuchibashi-kajika. Photographed in Miyagi Prefecture, Japan.
    rhamphocottus-nagaakii-nihon-grunt-s...tif
  • This is a long shanny (Stichaeus grigorjewi) male guarding two clutches of eggs. This species lives in deep water, down to 300m, in the Northwest Pacific. They come up to shallow water for reproduction. Photographed in Miyagi Prefecture, Japan.
    stichaeus-grigorjewi-protecting-eggs...tif
  • This is an inquisitive fringed blenny (Chirolophis japonicus) staring directly into the camera lens. There is a parasite attached behind the prominent eye. This species is found in the Northwest Pacific.
    chirolophis-japonicus-fringed-blenny...tif
  • Shown here are eggs of an Icelinus pietschi sculpin, a species found in the Northwest Pacific. Clearly visible are the eyes and bodies of the developing embryos. The eggs are around 3mm in size.
    icelinus-pietschi-sculpin-embryos-eg...tif
  • This is an Okhotsk Atka Mackerel (Pleurogrammus azonus), an important food species in the northern Pacific. The fish is known as Hokke in Japanese.
    pleurogrammus-azonus-okhotsk-atka-ma...tif
  • This is a small Halitholus pauper hydrozoan with a single stinging array extended. These animals are found in the north and northwest Pacific.
    halitholus-pauper-hydrozoan-japan-20...tif
  • Priolepis latifascima gobies often perch on the underside of crevices and overhangs. This one has just darted out from the ceiling of the dark crevice in the background for a split-second. This species is native to the Northwest Pacific in coastal waters around Japan and Taiwan.
    priolepis-latifascima-goby-japan-202...tif
  • This is a male crowned seahorse (Hippocampus coronatus) carrying a pouch full of developing juveniles that are almost ready to emerge. The seahorse is nestled in Codium cylindrical Holmes seaweed. This species lives in the northwest Pacific, endemic to Japan.
    hippocampus-coronatus-male-pregnant-...tif
  • This is a pair of Priolepis latifascima gobies, male and female that have paired up for breeding season. This species is native to the Northwest Pacific in coastal waters around Japan and Taiwan.
    priolepis-latifascima-gobies-japan-2...tif
  • This is a Gymnocanthus herzensteini sculpin, native to the Northwest Pacific Ocean. Normally found at depths of 50m to 100m, this fish ascended to a shallow area during an upwelling of cold water from the deep. It measured about 30cm in length and was highly inquisitive.
    gymnocanthus-herzensteini-sculpin-ja...tif
  • Depicted here is the chaos of group spawning of grass puffers (Takifugu niphobles) rushing onto a beach. This species has the unusual habit of spawning on land. When larger females beach themselves to lay eggs, males follow to fertilize. The fish rely on waves to take them ashore and return them to the ocean. Native to the northwest Pacific, grass puffers are the only pufferfish known to spawn onshore.
    takifugu-niphobles-grass-puffer-spaw...tif
  • Depicted here is spawning of grass puffers (Takifugu niphobles), a small species of pufferfish native to the northwest Pacific. The large female on the right has released eggs and a male has fertilized. There is a smaller male visible trying to flip into position to fertilize as well. This species has the unusual habit of spawning on land. At certain times of the year, large numbers in shallow water at high tide. When larger females beach themselves to lay eggs, males follow to fertilize. The fish rely on waves to take them ashore and return them to the ocean. This is the only puffer species known to do this.
    takifugu-niphobles-grass-puffer-spaw...tif
  • Depicted here is spawning of grass puffers (Takifugu niphobles), a small species of pufferfish native to the northwest Pacific. This species has the unusual habit of spawning on land. At certain times of the year, large numbers in shallow water at high tide. When larger females beach themselves to lay eggs, males follow to fertilize. The fish rely on waves to take them ashore and return them to the ocean. This is the only puffer species known to do this.
    takifugu-niphobles-grass-puffer-spaw...tif
  • Shown here are two grass puffers (Takifugu niphobles), a small species of pufferfish native to the northwest Pacific, riding a wave onto shore for the purpose of group spawning. This species has the unusual habit of spawning on land. At certain times of the year, large numbers in shallow water at high tide. When larger females beach themselves to lay eggs, males follow to fertilize. The fish rely on waves to take them ashore and return them to the ocean. This is the only puffer species known to do this.
    takifugu-niphobles-grass-puffer-spaw...tif
  • This is a newly hatched juvenile Eumicrotremus awae lumpsucker, a species found along the Pacific coast of Japan's main island of Honshu. The fish is 2mm to 3mm in size, perched on brown algae (Lessoniaceae). The white ring pattern is characteristic of juveniles, disappearing as the juvenile takes on permanent coloration. This one has already begun to adopt an orange-red hue.
    eumicrotremus-awae-juvenile-lumpsuck...tif
  • This is a juvenile spiny red gurnard (Chelidonichthys spinosus), a species of searobin that is native to the northwest Pacific. This juvenile fish was about 1.5cm in length. Photographed at a magnification of two times life-size.
    chelidonichthys-spinosus-spiny-red-g...tif
  • These are developing embryos of a sculpin named Bero elegans, found in the northwest Pacific. The eggs of this species are blue in color and measure about 2mm to 3mm in size. Photographed at a magnification of two times life-size.
    bero-elegans-sculpin-eggs-japan-2019...tif
  • Pictured here is a developing embryo inside of one of the unusually shaped eggs of a seven-lined prickleback (Ernogrammus zhirmunskii), which is a small fish found in the Northwest Pacific and Sea of Japan. The egg is around 2mm to 3mm in size, photographed here at a magnification of four times life-size. The eggs are in a cluster, with each egg interlocked with others around it. Other eggs and fish embyros are visible in the background.
    ernogrammus-zhirmunskii-eggs-seven-l...tif
  • This is a 7mm-long juvenile smooth lumpsucker (Aptocyclus ventricosus) with its mouth open, sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This fish grows to a size of around 40cm and is known from Northern Pacific waters down to 1700m depth. It is the only known member of its genus. Photographed at four times life-size magnification.
    aptocyclus-ventricosus-juvenile-smoo...tif
  • This is a top-down view of a juvenile Eumicrotremus uenoi lumpsucker, estimated length three to four millimeters from head to tip of caudal fin. As these tiny fish mature, they lose the white rings that characterize the juveniles. This fish is sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This species is found in the North Pacific, on the western coast of Japan and southern coast of the Korean peninsula. Photographed at magnification of four times life-size.
    eumicrotremus-uenoi-juvenile-japan-2...tif
  • Pseudoblennius zonostigma with fins on full display. This genus of sculpins is native to the northwest Pacific Ocean.
    pseudoblennius-zonostigma-sado-japan...tif
  • Male humpback whale calf (Megaptera novaeangliae australis) breaching on a sunny day in the South Pacific
    humpback-whale-calf-breaching-tonga-...tif
  • This is a mature male Barbed Hunchback Poacher (Agonomalus proboscidalis), which is native to the cold polar waters of the northwest Pacific.
    agonomalus-proboscidalis-barbed-hunc...tif
  • Pictured here are eggs of a seven-lined prickleback (Ernogrammus zhirmunskii), with developing embryos visible inside. This species is found in the Northwest Pacific. The eggs are around 3mm in size, excluding the signature spikes.
    ernogrammus-zhirmunskii-prickleback-...tif
  • This is a mature Japanese sea bass (Lateolabrax japonicus) measuring about 60cm. It was patrolling a shallow reef area at night in search of food. Found in the western Pacific, this species is catadromous. These fish are protandrous hermaphrodites.
    lateolabrax-japonicus-japanese-sea-b...tif
  • This is a mature fringed blenny (Chirolophis japonicus), which is a species of prickleback found in the northwest Pacific. This one measured about 50cm.
    chirolophis-japonicus-fringed-blenny...tif
  • Pictured here are male intermediate sea urchins (Strongylocentrotus intermedius) commencing the spawning process by emitting sperm into the water. Female urchins release eggs upon sensing the sperm. Found in the northwest Pacific, this species is one of several that are regularly consumed by people.
    strongylocentrotus-intermedius-inter...tif
  • This is a newly hatched juvenile Eumicrotremus awae lumpsucker, a species found along the Pacific coast of Japan's main island of Honshu. The fish is 2mm to 3mm in size, perched on brown algae (Lessoniaceae). The white ring pattern is characteristic of juveniles, disappearing as the juvenile takes on permanent coloration. This one has already begun to adopt a greenish hue.
    eumicrotremus-awae-juvenile-lumpsuck...tif
  • This is a species of clingfish (Aspasma minima) that is found in the northwest Pacific. This individual with its mouth open was one of a pair that was living on a large growth of brown algae (Ecklonia cava).
    aspasma-minima-clingfish-mouth-open-...tif
  • This is a newly hatched lumpsucker (Eumicrotremus awae), 2mm to 3mm in size, about the size of a sesame seed. The fish is perched on a species of red algae, possibly Polypes sp. Known as dango-uo in Japanese, these fish are found along the Pacific coast of the main island of Honshu.
    eumicrotremus-awae-juvenile-lumpsuck...tif
  • Pictured here are freshly spawned eggs of a fish called spotty-bellied greenling (Hexagrammos agrammus), known as kujime in Japanese. The fish live in coastal waters of the northwest Pacific, East China Sea, the Yellow Sea and the Sea of Japan. Each egg is about 3mm in size. Photographed at a magnification of four times life-size.
    hexagrammos-agrammus-eggs-japan-2019...tif
  • These are the unusually shaped eggs of a seven-lined prickleback (Ernogrammus zhirmunskii), a small fish found in the Northwest Pacific and Sea of Japan. Each egg is around 2mm to 3mm in size, photographed here at a magnification of four times life-size. The eggs that have been successfully fertilized are distinguishable by the developing embryos. The egg at the lower left appears to be non-viable.
    ernogrammus-zhirmunskii-eggs-seven-l...tif
  • This is a juvenile Eumicrotremus uenoi lumpsucker, estimated length 3mm from head to tip of caudal fin. Adults of this species are generally a single color, losing the white rings that characterize the juveniles. This fish is sitting on Colpomenia sinuosa algae. The white crystals are grains of sand, which provide a sense of scale. This species is found in the North Pacific, on the western coast of Japan and southern coast of the Korean peninsula. Photographed at magnification of two times life-size.
    eumicrotremus-uenoi-juvenile-japan-2...tif
  • Indo-Pacific bottlenose dolphin (Tursiops aduncus) with penis extended. This dolphin was part of a larger pod swimming around the islands of Ogasawara in Japan, known as the Bonin Islands in English.
    tursiops-aduncus-penis-extended-ogas...tif
  • Small pod of Indo-Pacific bottlenose dolphins (Tursiops aduncus) swimming over shallow reef in Ogasawara, Japan.
    tursiops-aduncus-pod-swimming-above-...tif
  • This is a head-on view of Pterosoma planum, a species of predatory snail that lives in the open oceans of the Indo-Pacific region. The animal's gills are to the rear and raised above the animal in this image, with its eyes and feeding proboscis oriented forward and to the bottom. Photographed in Shizuoka Prefecture, Japan.
    pterosoma-planum-pelagic-snail-japan...tif
  • Striped triplefins are common in shallow zones of tropical waters in the Indo-Pacific region and are ignored by most scuba divers. Up close, they are beautiful fish with intricate decorations and patterns on their bodies.This one opened its mouth for a fraction of a second. This photograph is a film scan.
    striped-triplefin-Helcogramma-striat...tif
  • This is a Pterosoma planum a species of predatory snail that lives in the open oceans of the Indo-Pacific region. The pink proboscis is the animal's mouth, with two eyes also visible. The gastropod's shell seen below the animal in this image. Photographed in Shizuoka Prefecture, Japan.
    pterosoma-planum-pelagic-snail-japan...tif
  • This is a cluster of elongated sculpin eggs (Alcichthys elongatus). The eggs were relatively fresh when photographed, just beginning to develop. Photographed at four times life-size magnification. Photographed in Hokkaido, Japan.
    alcichthys-elongatus-elkhorn-sculpin...tif
  • This is a close-up view taken at four times life-size magnification of developing elongated sculpin (Alcichthys elongatus) eggs. The eye of a well-developed embryo is visible, as is an eye that is just beginning to take form in another egg. The egg that is entirely white is unviable, perhaps because it was not properly fertilized. Photographed in Hokkaido, Japan.
    alcichthys-elongatus-elkhorn-sculpin...tif
  • This is view inside a cluster of elongated sculpin eggs (Alcichthys elongatus). The eggs were relatively fresh when photographed, just beginning to develop. Photographed at four times life-size magnification. Photographed in Hokkaido, Japan.
    alcichthys-elongatus-elkhorn-sculpin...tif
  • This humpback whale was part of a bubble-net feeding group in Icy Strait, Alaska. This breach was one of a series of breaches and pectoral slaps that occurred in tandem with the end of social foraging, with the whales going separate ways.
    humpback-whale-breaching-alaska-2018...tif
  • Bright red and orange pitted stonefish (Erosa erosa ) in Lembeh Strait, North Sulawesi, Indonesia
    Red-orange-pitted-stonefish-Erosa-er...tif
  • Giant moray eel (Gymnothorax javanicus) being cleaned by scarlet cleaner shrimp (Lysmata amboinensis). Ambon, Indonesia
    giant-moray-eel-Gymnothorax-javanicu...tif
  • Water streaming off of a diving humpback whale’s fluke, with 42ft Nordic Tug Legend visible in the background
    humpback-whale-fluke-alaska-201807-0...tif
  • A humpback whale raising its fluke to dive. This whale was part of a group engaged in bubble-net feeding.
    humpback-whale-fluke-alaska-201807-0...tif
  • A humpback whale (Megaptera novaeangliae kuzira) that had an unusual dorsal fin, one that was split into three sections. It was not possible to determine whether this split dorsal was present from birth, or whether it was the result of an accident such as a propellor strike. I photographed this same whale in 2016 at Point Adolphus. (see unusual-dorsal-fin-humpback-whale-alaska-201607-2096.tif). In 2018, this whale was in a bubble-feeding group active in the Icy Strait, around Pleasant Island and Gustavus. This was one of two whales in the 2018 group that I recognized from 2016.
    unusual-dorsal-fin-humpback-whale-al...tif
  • This is one of several mature humpback whales engaged in bubble net feeding. The injury marks on its left dorsal surface look like they may be the result of a run-in with the propellor of a boat, perhaps a small vessel. I photographed this same whale in 2016 (see humpback-whale-ship-propellor-injury-alaska-201607-0621.tif) , also participating in a bubble-net feeding group at the time. In 2016, the group with this whale was working the coast between Point Retreat and Funter Bay. In 2018, this whale was with a group feeding in the nearby Icy Strait area, primarily around Pleasant Island and Gustavus.
    humpback-whale-ship-propellor-injury...tif
  • Humpback whale (Megaptera novaeangliae) executing a tail slap during a sunny day in Alaska. This whale was part of a group engaged in bubble net feeding.
    humpback-whale-tail-slap-alaska-2012...tif
  • Humpback whales (Megaptera novaeangliae) engaged in bubble net feeding, snow-capped mountains in the background.
    humpback-whales-bubble-net-feeding-a...tif
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Tony Wu Underwater Photography

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