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The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Cephalopods, as active marine predators, possess sensory organs specialized for use in aquatic conditions. [1] They have a camera-type eye which consists of an iris, a circular lens, vitreous cavity (eye gel), pigment cells, and photoreceptor cells that translate light from the light-sensitive retina into nerve signals which travel along the optic nerve to the brain. [2]
A sea otter using a rock to break open a shell. The sea otter, Enhydra lutris, is a member of the Mustelidae that is fully aquatic. Sea otters are the smallest of the marine mammals, but they are also the most dexterous. Sea otters are known for their ability to use stones as anvils or hammers to facilitate access to hard-to-reach prey items.
Sea otters in California reach 50 to 70 pounds, while those in Alaska can weigh up to 100 pounds. In contrast to river otters , sea otters must survive amid the chilly waters of the Pacific Ocean.
A sea otter eyes its lunch, one of two invasive European green crabs it was able to retrieve underwater. Photo taken in 2011 in Moss Landing, CA. Green crabs are originally from Europe and arrived ...
Sea Otters can swim up to six miles per hour and hold their breaths for up to four minutes. They use these skills to dive as deep as 330 feet beneath the surface. 4.
It is also the subject of the Alaskan-set horror novel Kushtaka by David Pierdomenico. [3] Kóoshdaa káas also appear in William Giraldi's novel Hold the Dark (2015). The second book of Ann McCaffrey's science-fiction The Twins of Petaybee series, Maelstrom, features a species of shape-changing deep-sea otter that refer to themselves as ...
Sea otters also are members of the animal kingdom's tool-wielding club. The researchers observed 196 southern sea otters along the central California coastline - Big Sur, Monterey, San Luis Obispo ...