Search results
Eight dugong carcass (six males and two females), collected from the Andaman Sea of Thailand, were included in this study (Table 1). Necropsy results of some of the internal organs without pathological lesions and non-pathological tissue were included in this study. Four rotten carcasses were excluded from this study.
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.
Nov 15, 2024 · dugong (Dugong dugon) Dugongs (Dugong dugon) range in length from about 2.2 to 3.4 metres (7 to 11 feet) and weigh 230 to 420 kg (500 to 925 pounds). (more) Dugongs range in length from about 2.2 to 3.4 metres (7 to 11 feet) and weigh 230 to 420 kg (500 to 925 pounds). As with whales and dolphins, the dugong has a tapered body that ends in a ...
- Dugong vs. Manatee
- Slow-Moving and Slow-Growing
- Using Hair to See
- Big Boned
- Silent Predators
Dugongs are easily distinguished from manatee species by their dolphin-like tail, whereas manatees have hind fins more similar to a seal or walrus. They also have other specific adaptations such as a down-turned snout that allow it to feed specifically on seagrass with its unique, peg-like molar teeth.
Much like they move, dugongs also grow slowly. Females give birth to just one calf after a year-long pregnancy. Her young will remain close to her for up to 18 months. Because of their long life span (70 years) and slow reproduction rates, dugong populations are vulnerable despite legal protection. Humans have hunted dugongs for thousands of years,...
Dugongs have poor eyesight but good hearing. They are also covered head to tail with short hairs. These hairs are most concentrated around the mouth and are thought to help them navigate the seagrass beds, much like dogs and cats use their whiskers as a navigational aid.
Dugong bones have almost no bone marrow inside and are very solid. In fact, dugong bones are among the densest in the entire animal kingdom. These may act as a type of ballast, allowing the animal to remain effortlessly suspended just below the surface of the water when resting. Sometimes, they will rest their tail on the bottom to anchor themselve...
Although adult dugongs have few predators due to their size, they are quite susceptible to pathogens including helminths, cryptosporidium, and other bacterial and parasitic infections. In fact, in Queensland, Australia, up to 30% of dugong deaths are due to disease. Even still, the biggest threat to dugongs is habitat loss and death at the hands of...
- Shawn Laidlaw
- Sirenia
- Mammalia
- Chordata
Adult dugongs weigh from 230 to 400 kg and can range from 2.4 to 4 m in length. Their thick skin is brownish-grey, and its color can vary when algae grows on it. Tusks are present in all dugongs, but they are usually only visible through the skin in mature males, whose tusks are prominent, and in old females.
Sep 5, 2023 · However, it does take a long time for a dugong to get that big. Depending on where they live, some dugongs are not fully grown until they are at least 10 to 20 years old! Fortunately, dugongs do have pretty long lifespans and can live around 60 to 70 years. In fact, the oldest dugong on record lived to be 73 years old! 5. Dugongs Only Live in ...
People also ask
What does a dugong do?
How much does a dugong weigh?
Are dugongs a mammalian?
Why are dugong habitats important?
Do dugongs eat plants?
Do dugongs have tusks?
Mammal. Diet. Herbivore, feeding exclusively on seagrasses. Average lifespan. Up to 70 years in the wild. Size. 3 metres. The dugong is one of the ocean’s most interesting inhabitants. More closely related to the elephant than the dolphin or whale, this gentle seagrass-munching mammal is often given the name ‘sea cow’ and rightly so.
