Worldwide, numbers have slowly recovered but still stand far below original population numbers. under the Endangered Species Act & Marine Mammal Protection Act. While sea otters are vulnerable to natural predators, their populations are significantly impacted by several … Their fur is being hunted because sea otter has the most thick and densest coat fur. Sea otters are the smallest species of marine mammal, and one of the most vulnerable endangered species in North America. Meanhwhile, not only Sea otter, Threats also attack other species like Threats to Marine Mammals until Threats to Marine Life. They are also protected by the Marine Mammal Protection Act. under the Endangered Species Act & Marine Mammal Protection Act. Why does stryver continually criticize and belittle sydney carton for his social lapses From Tales of two Cities book 2 chapter 11. Another endangered sea otter species is known as northern river otter which is also known as common otter. Their primary form of insulation is their thick coat of fur, which is the densest fur known in the animal kingdom. OCEANWALKERS Sea Otters live in coastal waters & estuaries. Unanswered Questions. As a result the numbers of them are quite low. Sea otters are really important for the health of kelp. And today, I would like to share you with about some threats to sea otter that is threatening this small marine mammal. They are not yet endangered. Without sea otters, sea urchins would devour the kelp forests off the coast that provide cover and food for many other marine animals. The main reason that these Otters were hunted though was for their fur. Marine Otters are not extinct. Why sea otters are endangered In 1800 they were almost extinct because of hunting but around 2000 the hunting of sea otters was banned and it is illegal to kill them for their fur. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Marine otters were listed under CITES Appendix I in 1976, and are listed as endangered by the U.S. Department of the Interior. The Southern Sea Otter & Southwest Stock of Northern Sea Otters in Alaska are both listed as “threatened” under the Endangered Species Act. RE: Why are River Otters endangered? Meanhwhile, not only Sea otter, Threats also attack other species like Threats to Marine Mammals until Threats to Marine Life. People actively hunted for the sea otters’ wool in the 18th century, which meant destructive influence for the species, and sea otters began to occur less frequently and less frequently in the natural habitat. Marine mammals close to becoming an endangered species are categorized under threatened. They are endangered,though, and extremely rare to see. Just like its name which is “northern”, this species of sea otter is native to the North America continent where you can find them exist along the coast and also waterways.