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Weddell seals dive to forage for food, maintain breathing holes in fast ice, and explore to find more ice holes. [13] They have been observed to dive as deep as 600 m for up to an hour. [12] These seals exhibit a diel dive pattern, diving deeper and longer during the day than at night. [14]
The crabeater seal (Lobodon carcinophaga), also known as the krill-eater seal, is a true seal with a circumpolar distribution around the coast of Antarctica. They are the only member of the genus Lobodon. They are medium- to large-sized (over 2 m in length), relatively slender and pale-colored, found primarily on the free-floating pack ice that ...
Weddell seal. The North-west White Island Antarctic Specially Protected Area comprises a 142 km 2 area of coastal shelf ice on the north-west side of White Island in the Ross Archipelago of Antarctica.The site has been designated an Antarctic Specially Protected Area (ASPA 137) because it supports an unusual small breeding population of Weddell seals, which is not only the most southerly known ...
Hauling out is a behaviour associated with pinnipeds (true seals, sea lions, fur seals and walruses) temporarily leaving the water. [1][2] Hauling-out typically occurs between periods of foraging activity. [1][3][4] Rather than remain in the water, pinnipeds haul out onto land or sea ice for reasons such as reproduction and rest. [4][2] Hauling ...
Pinniped. Pinnipeds (pronounced / ˈpɪnɪˌpɛdz /), commonly known as seals, [a] are a widely distributed and diverse clade of carnivorous, fin -footed, semiaquatic, mostly marine mammals. They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared seals: sea lions and fur seals), and Phocidae ...
The Antarctic toothfish (D. mawsoni) plays an essential role in the Ross Gyre's food web, where it is a predator to other invertebrates and also part of the diet of the Weddell seal. The Antarctic toothfish has also become an important commercially harvested fish, especially around the Ross Sea.
The true seal tribe Lobodontini, collectively known as the Antarctic seals or lobodontin seals, consist of four species of seals in four genera: the crabeater seal ( Lobodon carcinophaga ), the leopard seal ( Hydrurga leptonyx ), the Weddell seal ( Leptonychotes weddelli ), and the Ross seal ( Ommatophoca rossii ).
Erebus Bay is home to the most southerly breeding population of Weddell seals in the world. They have been studied intensively since 1968. As of 2022 a database held data for 28,000 marked seals, and held detailed information on individual seals and on populations. The seals are easy to approach and tag while they are rearing their pups, and ...