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  • Whale louse (Cyamus ovalis) taken from a Southern right whale (Eubalaena australis), with a ruler for scale.
    cyamus-ovalis-whale-louse-southern-r...tif
  • Cyamus ovalis, one of three whale lice species known to associate with right whales. Whale lice are amphipods. This specimen is from a southern right whale (Eubalaena australis) in South Africa. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    cyamus-ovalis-whale-louse-right-whal...tif
  • Cyamus ovalis, one of three whale lice species known to associate with right whales. on my hand for scale. Whale lice are amphipods. This specimen is from a southern right whale (Eubalaena australis) in South Africa. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    whale-lice-cyamus-ovalis-southern-ri...tif
  • Inquisitive southern right whale (Eubalaena australis) approaching to observe me. Note the callosity above the whale’s eye, which is populated by other organisms, including whale lice (Cyamus ovalis) and barnacles of indeterminate species. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    southern-right-whale-close-up-201507...tif
  • Reaching over to take samples of whale lice (Cyamus ovalis) from one of the callosities on a southern right whale (Eubalaena australis) that was stopped next to the boat. Visible on the lower jaw of the whale are hairs, outward signs demonstrating that the whale is a mammal. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    obtaining-whale-lice-samples-from-so...tif
  • A southern right whale calf (Eubalaena australis), resting its head on top of its mother while looking at me. The callosities that are characteristic of this species are beginning to show on the calf’s head. Note also that the calf already carries a full complement of whale lice, what appear to be mostly or entirely Cyamus ovalis. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    southern-right-whale-calf-with-mothe...tif
  • This is a southern right whale (Eubalaena australis) brindle calf surfacing to breathe, facing away from the camera. Infesting the area around the calf’s blowholes are whale lice, likely Cyamus ovalis. About 4% of southern right whale calves are born with white and black pigmentation, as shown here. These calves are always male. As they mature, such calves darken but never turn completely dark like other southern rights. About 6% of southern right whales have a partial brindle pattern. All such whales are female. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    southern-right-whale-brindle-calf-eu...tif
  • Detailed view of one of the callosities on the head of a southern right whale (Eubalaena australis). These rough bumps are populated by a number of organisms, the most prevalent of which are whale lice, seen here in great numbers. The species pictured here seems to be Cyamus ovalis. There are also barnacles and other organisms that I am unable to identify. The purpose of these callosities in unknown, as is the relationship between the whale and the organisms that make a home on and in these growths. Photographed with the permission of the Department of Environmental Affairs, South Africa.
    southern-right-whale-callosity-commu...tif
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Tony Wu Underwater Photography

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