Search results
Results from the WOW.Com Content Network
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.
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.
The fluke is pumped up and down in long strokes to move the animal forward, or twisted to turn. The forelimbs are paddle-like flippers which aid in turning and slowing. [30] [32] Unlike manatees, the dugong lacks nails on its flippers, which are only 15% of a dugong's body length. [33]
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.
The manatee's tail is paddle-shaped, and is the clearest visible difference between manatees and dugongs; a dugong tail is fluked, similar in shape to that of a whale. The manatee is unusual among mammals in having just six cervical vertebrae, [11] a number that may be due to mutations in the homeotic genes. [12]
How Long Do Turtles Live? The lifespan of a turtle can range from 10 to 150 years. Turtles live anywhere from 10 years to 150 years, depending on the species.
With the proper nutrition and care, cockapoos can live for up to 15 years, which is in line with what Godfrey has seen in her practice. "In my experience, the majority of cockapoos live between 12 ...
Dugongs are listed under the Nature Conservation Act in the Australian state of Queensland as vulnerable. Most currently live in established marine parks, where boats must travel at a restricted speed and mesh net fishing is restricted. [2] Dugong hunting has been practised in Wide Bay–Burnett in Queensland since at least 1861. Commercial ...