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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.
A sea otter's overactive metabolism plays a key role in helping the diminutive marine mammal keep its body warm in frigid temperatures. The post Here’s How Sea Otters Keep Their Tiny Bodies Warm ...
On land, sea otters and pinnipeds often perform ‘nosing’ behaviours at prominent scent glands which indicate some level of detection of chemical signals. It was previously perceived that they do not undergo chemical communication underwater, as most of these animals close their nasal opening underwater and the semi-aquatic mammals are known ...
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]
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.
In the 1700s, before they were hunted for their fur, there were thought to be 150,000 to 300,000 sea otters. Today, they have rebounded since their numbers were at their lowest, but they are still ...
Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.
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 ...