it needs nothing as much as it can hold
the sea otter's favorite food are crustaceans
An otter will hunt for its food by swimming around in the water.
A sea otter needs to eat 20%-25% of their body fat a day.
Otter pops are high sugar content treats. Too much of any food of this type of food can make you sick, particularly in the absence of more nutritious food choices.
the basic needs of a sea otter is an ocean, salt, food, and water
Fishing
Freshwater otters get their water from freshwater sources. Thus, species like the North American river otter (Lontra canadensis), the Eurasian river otter (Lutra lutra), and the Asian small-clawed otter (Aonyx cinerea) drink from the same rivers and lakes in which they swim. The sea otter, on the other hand, is specially adapted to its saltwater habitat. The sea otter's large kidneys process the saltwater that the otter drinks from the ocean, allowing the otter to live without need of freshwater.
A female river otter would eat food to gain weight
wolverineThe giant otter is much bigger than a wolverine.
That would depend on the species of otter you are asking about. Eurasian otter: 7 - 12 kg, Marine otter: 3 - 5.8 kg, Hairy-nosed otter: 5 - 5.9 kg, Giant Otter: 26 - 32 kg
The sea otter.
otter