The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.. Orcas are apex predators with a diverse diet.

2021年6月24日 · 虎鲸英文名Killer whale，翻译过来就是杀人鲸，而在海洋中，还有与“杀人”有关的动物，它就是噬人鲨，因为噬人鲨除了会攻击大多数的海洋生物外，就连船只和人类也不放过，因此，它的噬人鲨之名是实至名归的。

Orcinus is a genus of Delphinidae, the family of carnivorous marine mammals known as dolphins. It includes the largest delphinid species, Orcinus orca, known as the orca or killer whale. Two extinct species are recognised, Orcinus paleorca and O. citoniensis, describing fossilised remains of the genus. [2] .

2003年5月30日 · In this study, we report the expression and purification of recombinant killer whale IL-6 (rkwIL-6), establish its biological activity and specificity, and the generation of polyclonal antisera specific for IL-6.

2003年5月30日 · In this study, we report the expression and purification of recombinant killer whale IL-6 (rkwIL-6), establish its biological activity and specificity, and the generation of polyclonal antisera specific for IL-6.

2003年5月30日 · Interleukin-6 (IL-6) is a cytokine that can reach detectable systemic levels and is a major inducer of the acute phase response. As such, clinical assays to identify this cytokine in mammalian sera are of diagnostic value. A 558 base-pair (bp) fragment of killer whale IL-6 was cloned and expressed a …

Killer whales are apex or top predators in the ocean. Known as "wolves of the sea," killer whales often hunt cooperatively in pods for food; working together to encircle and herd prey into a small area before attacking. When hunting a large whale, a pod of killer whales may attack the whale from several angles. They may also slide out onto ...

2025年1月14日 · The killer whale is the largest member of the dolphin family. The population of Southern Resident killer whales in the Pacific Northwest is one of the most critically endangered marine mammals. Learn about our work to protect and conserve killer whales.

2022年5月16日 · The killer whale is a toothed whale most known for its black and white coloring. They have tall dorsal fins reaching up to 6 feet in height and large, rounded pectoral flippers. Killer whales have large, white eyespots and white underbellies.

Killer whales, or Orcas (Orcinus orca) are the largest dolphins. They have black skin with white patches. They are found in all the world's oceans, from the cold of the Arctic to the tropical seas.