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Steller's sea cow was the largest known sirenian to have lived, and could reach lengths of 9 metres (30 ft) [41] and weight of 8 to 10 tonnes (8.8 to 11.0 short tons). [44] A dugong's brain weighs a maximum of 300 grams (11 ounces), about 0.1% of the animal's body weight. [ 33 ]
The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
A manatee called Wardell appears in the Animal Crossing: New Horizons video game. He is part of a paid downloadable content expansion, managing and selling furniture to the player. [97] In Rudyard Kipling's The White Seal (one of the stories in The Jungle Book), Sea Cow, about whom the story says that he has only six cervical vertebrae, is a ...
Peltodoris atromaculata, more commonly known as the dotted sea slug or sea cow, is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Discodorididae. [1] It dwells in salt water up to the depth of 40m. It is exclusively found in precorralligene and coralligene communities and is very common in such communities. [2]
The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea about 15 million years ago when it was preyed upon by two animals: a crocodile and a tiger shark.
With 112 mammal species, Alaska ranks 12th of the 50 U.S. states in mammalian diversity. [1] Not included in this list is the Steller's sea cow, an extinct sirenian that was once native to Alaska's Aleutian Islands before being hunted to extinction in 1768. [2]
Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands. Family: Dugongidae. Steller's sea cow, H. gigas (Alaska only) [6] (E) EX; Family: Trichechidae. West Indian manatee, T. manatus [n 3] VU E (T. m. latirostris: EN)
Encyclopedia of Marine Mammals. San Diego: Academic Press. pp. 1083–1086. ISBN 978-0125513401. Berta A (2012). "5. Diversity, Evolution, and Adaptation of Sirenians and Other Marine Mammals". Return to the Sea: The Life and Evolutionary Times of Marine Mammals. Berkeley: University of California Press. pp. 127– 149. ISBN 978-0-520-27057-2.