They’re renowned for preying on hard-shelled marine invertebrates, including abalones, sea urchins, clams, mussels and crabs, usually fracturing the shells with their teeth. Throughout South America is where you will find the Giant Otter. The longest recorded sea otter dive was 4 minutes, 2 and the deepest recorded sea otter dive was 318 feet (97 m) deep. There are about 100,000 sea otters left. Aonyx cinereus), also known as the oriental small-clawed otter or simply small-clawed otter, is a semiaquatic mammal native to South and Southeast Asia.It is a member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae), and is the smallest otter species in the world. They are born weighing only 4.5 ounces (128 grams) for smaller species and 5 lbs. Otter babies are called pups. g l. 1 decade ago. Sea otters are what is known as a keystone species. Enhydra lutrisSea otters live in the nearshore marine ecosystem. 1 decade ago. "Otters have a little pouch under their left armpit in which they can store things like rocks and food while are swimming. Yet, owning an otter as a pet isn't the easiest to manage even though they hold hands, swim are their backs and are (excuse the pun) "otterly romantic.". Weighs up to 100lb. Tips for spotting a sea otter. 1. So please, don't kill the sea otters, because if you kill multiple, then all the kelp will vanish, and that would be terrible! ... As long as there is plenty for the Otters … Any ideas of how many long tailed sea otters are left. why. They do most of their foraging within about half a mile of shore. Distribution. To learn more about the reintroduction of sea otters in British Columbia, read our corresponding article in Issue 15 of Oceanographic Magazine, ‘Ancient Coexistence: Otters and First Nations.” Photographs from top to bottom, left to right: James Thompson, Shari Green, Edward Gregr, Ingrid Taylar, Luc Tribolet. African Clawless Otter Anonymous. More should be done to save our sea otters . Though there are many other interactions between sea otters and their prey species, the best example of this effect is the sea urchin. Sea otters are major predators of sea urchins and other invertebrates which feed on the giant kelp, which forms underwater ‘forests’ … Other otters give birth in dens. This means that, when they are removed, the rest of the ecosystem collapses. Therefore, sea otters are obsessive about keeping their fur clean, and groom themselves practically non-stop when they’re not eating or sleeping. Many people find this particular Otter to be different in size and shape from others. So are dolphins, whales, sea turtles, polar bears and many, many more. Habitat: Kelp Beds . They were left almost extinct by the 1920s, and the ecosystem within their former range was in turn left devastated by their decline. "Sea otters were introduced and then just left to be, and they did what they did," said Jane Watson, an adjunct professor of marine ecology at Vancouver Island University who has monitored the impact of B.C. ... Look for line 410 on Form 540. Sea Otters as a Keystone Species. Sea otters are a keystone species, meaning if they are removed from an ecosystem the whole systems could fall apart. Ranging from climate change, to oil spills, to pollution there are many threats that have hindered sea otters from being more prosperous and being upgraded from endangered to threatened. 4. Sea otters eat sea urchins, sea urchins eat kelp, and kelp forests are places where many creatures live. Sea otters use rocks to crack open their prey as fast as 45 blows in 15 seconds. Favorite Answer. The small-clawed otter, an Asian species that in the wild hunts for fish, has grown in popularity across the globe.People pay thousands of dollars for this exotic pet and online trade encourages pet ownership. Sea Otters Could Get New Home in San Francisco Bay. Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species; Sea otter fur is the densest of any mammal at about 1 million hairs per square inch (We have 100,000 hairs on our entire head). Once containing more than half of the world’s sea otters, this population segment, which ranges from Kodiak Island through the western Aleutian Islands, has undergone an overall population decline of at least 55–67 percent since the mid-1980s. While sea otters do well in captivity, they are struggling in the wild. Today, the US Geological Survey released the results of the Spring 2003 sea otter survey. Gestation: 8-9 months. As predators, sea otters maintain the balance of the kelp ecosystems.
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