13+ Where Do Sea Otters Sleep UK. Otters sometimes float in forests of kelp, or giant seaweed, in which they entangle themselves to provide anchorage in the swirling sea. In studies performed at amchitka island in the 1960s, where the sea otter population was at carrying capacity, 50% of food found in sea otter.
They sleep this way, often gathered in groups. The alaskan sea otter will occasionally haul out on ice or rocks sea otters actually do swim alone in case breakfast, lunch, or dinner passes by and they won't have to fight over the meal, but sea otters do sleep in. Sea otters use their sense of touch to find food;
The areas where the sea otters disappeared completely were taken over by sea urchins.
Sea otters sleep and rest on their backs, usually anchored in a kelp (seaweed) bed. Sea otters sleep in groups while wrapped in seaweed so they do not float away. In the 1900's the sea otters almost went extinct due to killer whales feeding on them. Sea otters are endangered, carnivorous sea mammals that live off the coasts in the northern pacific ocean, from california to alaska, the eastern coast the sea otter has several natural predators from which it needs to protect itself.