No type of otter eat seaweed in any important amount. Otters are carnivores, meat eaters. They eat fish, shellfish and crustaceans.
most bird otters can eat mostly a few but their mane diet is fish.
Otters are omnivors because they can eat both seaweed and crab.
mascroflabic seaweed
People eat seaweed
a bear
sharks
seaweed
seaweed
they use it to disguise themselves
Fish
people
humans, seals, otters