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  • This is the female humpback whale (Megaptera novaeangliae) that was the center of an extended, energetic competitive group heat run. There were two large males that were the main contenders, including one particularly aggressive male that had white pectoral fins, and a number of other males that cycled in and out of the intense activity. The barnacles on the female humpback’s pectoral fin are clearly visible.
    humpback-whale-female-pectoral-fin-b...tif
  • Fluke of an adult female humpback whale (Megaptera novaeangliae) which had the habit of resting upside-down, with the ventral surface of her fluke to the sky. She was the mother of an extremely active, inquisitive female calf. Photographed in Vava’u, Kingdom of Tonga.
    fluke-humpback-whale-upside-down-oce...tif
  • Two adjacent flukes of a pair of humpback whales (Megaptera novaeangliae) diving in synchrony. Both flukes, but particularly the one in the rear, are covered with Coronula diadema barnacles, which are found exclusively on humpback whales.
    humpback-whale-flukes-coronula-diade...tif
  • An adult gray whale (Eschrichtius robustus) surfacing to take a breath, with tourists in a whale watch boat in the background. Note the extensive barnacle (Cryptolepas rhachianecti) cover on the whale. Photographed in Baja California, Mexico.
    whale-watch-tourists-gray-whale-baja...tif
  • The rostrum of a humpback whale (Megaptera novaeangliae) emerging from the water. This whale was part of a group of humpback whales engaged in cooperative bubble-net feeding. Viewing this image at 100%, you can see the tubercles (including single follicles of hair protruding from some of them), an injury to one of the tubercles, and a few whale lice (Cyamus boopis) at the tip of the lower jaw. Note also the barnacles under the jaw, which are humpback whale barnacles (Coronula diadema), that grow only on humpback whales. In addition, growing on the humpback whale barnacles are a type of gooseneck barnacle (Conchoderma auritum), that appear only on humpback whale barnacles.
    humpback-whale-rostrum-tubercles-par...tif
  • Humpback whale (Megaptera novaeangliae) female adult resting vertically in the water with her fluke protruding from the surface, barnacles clearly visible, and boat in the background. This female had a penchant for resting in this position while her female calf (201404) played.
    humpback-whale-hanging-in-water-fluk...tif
  • This gray whale calf (Eschrichtius robustus) hosts a population of commensal barnacles (Cryptolepas rhachianecti) and whale lice (Cyamus scammoni) which are amphipods that scavenge for food on the whale's body, including the whale's skin and flesh. There is sexual dimorphism among adult Cyamus scammoni, so the large individuals visible in this photograph are male. The females are smaller. Unlike the young of most other marine crustaceans, which have a planktonic larval stage, juvenile whale lice mature in a pouch-like structure called the marsupium, which is located on the underside of females.
    whale-lice-cyamus-scammoni-on-gray-w...tif
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Tony Wu Underwater Photography

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