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  2. Dugong - Wikipedia

    en.wikipedia.org/wiki/Dugong

    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.

  3. Sirenia - Wikipedia

    en.wikipedia.org/wiki/Sirenia

    Extant sirenians grow to between 2.5 and 4 metres (8.2 and 13.1 ft) in length and can weigh up to 1,500 kilograms (3,300 lb). 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 ]

  4. Paenungulata - Wikipedia

    en.wikipedia.org/wiki/Paenungulata

    Paenungulata (from Latin paene "almost" + ungulātus "having hoofs") is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea (including elephants), Sirenia (sea cows, including dugongs and manatees), and Hyracoidea . At least two more possible orders are known only as fossils, namely Embrithopoda and Desmostylia. [a]

  5. Manatee relative, 700 new species now facing extinction - AOL

    www.aol.com/news/dugong-coral-abalone-face...

    Manatee relative, 700 new species now facing extinction. PATRICK WHITTLE. ... 1 / 3. Climate Threatened Species List. FILE - Serena, a dugong, swims at the Toba Aquarium in Toba, Japan on Sept. 5 ...

  6. Manatee - Wikipedia

    en.wikipedia.org/wiki/Manatee

    Manatees weigh 400 to 550 kg (880 to 1,210 lb), and average 2.8 to 3.0 m (9 ft 2 in to 9 ft 10 in) in length, sometimes growing to 4.6 m (15 ft 1 in) and 1,775 kg (3,913 lb) and females tend to be larger and heavier than males. At birth, baby manatees weigh about 30 kg (66 lb) each.

  7. Dugongidae - Wikipedia

    en.wikipedia.org/wiki/Dugongidae

    Dugong skeleton displayed at Philippine National Museum. Dugongidae's body weight ranges from 217 to 307 kg for juveniles, 334 to 424 kg for subadults, and 435 to 568.5 kg for adults. Oral temperatures for individual dugongs is determined from 24° to 34.2 °C. Heart rate readings are from 40 to 96 bpm and vary between individual dugongs.

  8. Prehistoric sea cow was eaten by a croc and a shark, newly ...

    www.aol.com/news/prehistoric-sea-cow-eaten-croc...

    A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.

  9. Physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Physiology_of_underwater...

    Baleen whales range in size from the 6 m (20 ft) and 3,000 kg (6,600 lb) pygmy right whale to the 31 m (102 ft) and 190 t (210 short tons) blue whale. When swimming, baleen whales use their forelimb flippers in a wing-like manner similar to penguins and sea turtles for locomotion and steering, while using their tail fluke to propel themselves ...