Sea otters are foragers that eat mostly hard-shelled invertebrates, including sea urchins and a variety of clams, mussels, and crabs. As researchers find more information and as they develop new tools to evaluate them we will have more information to work with. Blog. The sea otter’s range spreads from Russia, across the North Pacific, and down to the Coast of California. Males are more solitary or spend time with other males. Habitat: Sea otters live along the coasts and stay in shallow bodies of water.Otters live in two main places: the ocean floor to get food, and the surface to rest, eat, and groom themselves. Adults generally give birth to between one and three pups, which are blind and helpless when born. Coming soon! At the Monterey Bay Aquarium in California, orphaned sea otters are taught to hunt and interact with the help of the resident sea otters, so they can be released back into the wild. Their dense, short under-fur is overlain by darker, coarse guard hairs that help repel water. By: Ben StorerThe Life Cycle Of A Sea OtterThe four stages of a sea otters' life are: Gestation, pup, juvenile and then adult.Early Stages Pt. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. ... (Lontra felina), sea otter (Enhydra lutris), smooth-coated otter (Lutrogale perspicillata) and giant otter (Pteronura brasiliensis). Step 3: The mother sea otters must get five sea urchins. When learning to swim, each cub gets an individual lesson from their mother. Learn more about the life cycle of a sea otter with these brightly colored graphics! Diet of the Sea Otter. If you removed all the sea otters in that area, the sea urchins would reproduce unchecked, as they have few natural predators that can get past their spines. Sea otters are also bilaterally symmetrical, like all other chordates. They can live too be up to 20, years old. Introduction: Read Lootas Little Wave Eater: An Orphaned Sea Otter's Story by Clare Hodgson Meeker. Sea otters also have thick, brown fur that insulates them against the cold waters of the Pacific Ocean. After about a month, their eyes are open and they begin exploring the den. Write CSS OR LESS and hit save. Otters eat while floating on their backs, using their chests as dining tables. Male sea otters sometimes look outside their own species to inflict themselves on other animals. Mating and breeding does not take place in the Sea Otter’s life until later on. Females appear to give birth year round, although in the wild, births may peak during the dry season. Life Cycle Sea otters are really magnificent animals. Read More » Otter Research The tail comprises less than a third of the body length. Fish that make it to adulthood and to spawning time use a range of strategies to ensure successful reproduction. The largest otter is the giant otter. Sea urchins feed on stems of the kelp, causing them to break off and die. It has the greatest body length of any species in the mustelid family, although the sea otter may be heavier. They have four legs to move easily on land, and a long tail to swim through the water. Otters are born otters but grow and develop into bigger otters. Sea otters birth throughout the year with the peaks in March and September. Relevance. Oil spills are a huge threat to the species because the petroleum coats the fur that is so vital for keeping otters warm. Newborn sea otters range in weight from 3 to 5 lbs. Only asexual stages have been identified in the aberrant intermediate hosts, and they are confined to the brain and spinal cord, and any part of the central nervous system (CNS) may be affe… The estrous cycle is 21 days, with females … They thrive in warm, coastal waters and usually remain within a kilometer from the shore. 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