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  • Anemone hermit crab (Dardanus pedunculatus) capturing and eating a mollusk. This hermit crab has a symbiotic relationship with anemones. The crab attaches anemones to the shell it lives in and transfers the anemones when it grows larger and changes shells. The anemones provide defence against predators like octopuses. It is possible that transfer of shells took place after this photograph was taken.
    anemone-hermit-crab-dardanus-peduncu...tif
  • Reef lizardfish (Synodus variegatus) eating a Bennett’s sharpnose puffer (Canthigaster bennetti). Lembeh Strait, Indonesia
    lizardfish-eating-Bennetts-pufferfis...tif
  • This is a male hairchin goby (Sagamia geneionema) protecting a brood of eggs. Males of this species mate several times with females, which lay their eggs on the upper surfaces of confined spaces and then leave the area to the care of the male. In this case, this burrow was at 20m depth, with water ranging between 14 and 16 degrees Celsius. The males protect the eggs until they hatch, somewhere between one and two weeks depending on water temperature, and then mate again. Throughout this process, the male does not eat much. As a result, after several matings, the males become too weak to carry on, and they die. The name for this species in Japanese is sabihaze (サビハゼ).
    hairchin-goby-sagamia-guarding-eggs-...tif
  • Two centimeter juvenile flamboyant cuttlefish (Metasepia pfefferi) in Lembeh Strait, Indonesia
    flamboyant-cuttlefish-juvenile-metas...tif
  • This is a Lembeh frogfish (Nudiantennarius subteres) swimming across the ocean bottom in the Lembeh Strait.
    nudiantennarius-subteres-lembeh-frog...tif
  • Close-up view of hairchin goby (Sagamia geneionema) eggs
    hairchin-goby-sagamia-geneionema-egg...tif
  • Cute juvenile star pufferfish (Arothron stellatus), photographed in Ambon, Indonesia.
    star-pufferfish-juvenile-arothron-st...tif
  • Developing eggs of a hairchin goby (Sagamia geneionema). Though still early in development, individual transparent fish embryos are visible attached to the yellow-orange yolk sacs.
    hairchin-goby-eggs-developing-embryo...tif
  • Close-up profile photo of a male hairchin goby (Sagamia geneionema) that measured about 5 centimeters in length. This fish was guarding eggs that had been laid by a female.
    hairchin-goby-sagamia-geneionema-mal...tif
  • Whip coral shrimp (Pontonides ankeri) on a sea whip (Cirripathes sp.) in Lembeh Strait, Indonesia. This species is often confused with Pontonides unciger, which lives on bushy black corals (Anthipathes sp.)
    pontonides-ankeri-shrimp-on-cirripat...tif
  • Two scorpionfish (Scorpaenopsis sp.) engaged in a territorial dispute. The two fish faced off for several minutes without moving, then the pair suddenly leapt toward one another, locking jaws and spinning in circles until one left the area.
    scorpionfish-territorial-dispute-amb...tif
  • A well-camouflaged flamboyant cuttlefish (Metasepia pfefferi) eating a sandperch (Parapercis sp.). Photographed in Lembeh Strait, Indonesia.
    flamboyant-cuttlefish-eating-sandper...tif
  • Painted frogfish (Antennarius pictus) eating another fish, possibly a species of cardinalfish. Photographed in Lembeh Strait, Indonesia.
    painted-frogfish-eating-cardinalfish...tif
  • Three porcupine pufferfish (Diodon holocanthus) pursuing a female. There were originally five males in pursuit when I first came across this group. The courtship process lasts for several hours, culminating when only one or two males remain. This happened in the evening, around 20:00 hours. The female swam to deep water, around 23m, then rushed for the surface at high speed with the males in pursuit. She released a cloud of eggs at 12m, and the males followed with release of sperm. The courtship process is energetic, with the males chasing and biting the female. The female hid from the males on several occasions, forcing them to find her.
    Diodon-holocanthus-porcupinefish-cou...tif
  • This veined octopus (Amphioctopus marginatus) was hiding in a shell, and reached out to grab a small crab when it walked by. The crab struggled in vain for some time, before being devoured by the octopus. Lembeh Strait, Indonesia.
    veined-octopus-Amphioctopus-marginat...tif
  • Tangerine-orange Ambon scorpionfish (Pteroidichthys amboinensis), photographed in Lembeh Strait, North Sulawesi, Indonesia.
    orange-ambon-scorpionfish-pteroidich...tif
  • Unidentified aeolid nudibranchs (Favorinus sp.) that appear to be feeding on eggs in a bubble-like egg case. The egg case may be that of a polychaete worm, or possibly a headshield slug of bubble snail (Cephalaspidea). See http://www.tonywublog.com/journal/aeolid-nudibranchs-eating-eggs-of-polychaete-worms for a discussion of this topic. Photographed in Lembeh Strait, Indonesia.
    favorinus-aeolid-nudibranch-eating-p...tif
  • This is a broadclub cuttlefish (Sepia latimanus) that was hunting small crustaceans.
    sepia-latimanus-broadclub-cuttlefish...tif
  • A yellow pygmy goby (Lubricogobius exiguus) sitting on the test of a sea urchin. Photographed in Osezaki bay, Izu Peninsula, Japan.
    Lubricogobius-exiguus-on-sea-urchin-...tif
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