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The sea otter's body is highly buoyant because of its large lung capacity – about 2.5 times greater than that of similar-sized land mammals [49] – and the air trapped in its fur. The sea otter walks with a clumsy, rolling gait on land, and can run in a bounding motion. [39]
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.
Sea otters are much larger than their river-dwelling cousins. Sea otters in California reach 50 to 70 pounds, while those in Alaska can weigh up to 100 pounds.
Aquatic mammals also display a variety of locomotion styles. Cetaceans excel in streamlined body shape and the up-and-down movements of their flukes make them fast swimmers; the tucuxi, for example, can reach speeds of 14 miles per hour (23 km/h). [46]
Sea Otters are one of the cutest animals on the planet. Here are some of facts that will make you fall in love with them all over again. SEE ALSO: These tiny bats look just like cotton balls 1.
The canine teeth are usually large, conical, thick and stress resistant. All of the terrestrial species of carnivorans have three incisors on each side of each jaw (the exception is the sea otter (Enhydra lutris) which only has two lower incisor teeth). [58] The third molar has been lost. The carnassial pair is made up of the fourth upper ...
Santa Cruz's sea otter, ... The average adult sea otter has to actively forage and eat 20 to 30 percent of its body mass in food each day just to meet its energy requirements.
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 Kóoshdaa káa. [4] The Kóoshdaa káa is the main antagonist in the Bill Schweigert novel The Beast of Barcroft (2015). [5]