yes
Yes, the plural noun 'otters' is a common noun; a general word for semi-aquatic mammals related to weasels; a word for any otters of any kind.
yes, otters ar just like any other animals
yes
The plural of otter is otters.
Yes sea otters live off the coast of California USA
not exactly. some sharks will take bites and kill the otters but spit them out because they do not taste good.
No.
Yes they have in fact 13 relatives.
it is in danger because wolves,grizzly and black bears eat river otters not any other otter only a RIVER OTTER.OK
No type of otter eat seaweed in any important amount. Otters are carnivores, meat eaters. They eat fish, shellfish and crustaceans.
There are sea otters and other otters. In the category of "other" otters, you can include the North American River Otter, Giant Otter of South America, Asian small clawed otters, Congo clawless otters, Capr clawless otters, Southern river otters, hairy nosed otters, spot necked otters, neo tropical long tailed otters, and others I may fail to mention.