sea otter
No, in fact very few-if any- sea animals can swim backwards
yes, doplins can swim backwards for about 1 hour
no my fish swim backwards all the time,my other guppies always chases it .
yes, crocodiles can swim backwards
There are only two animals that are not able to move backward. These animals are the kangaroo and the emu.
cause they love doing tricks. dont you know that they do other TRICKS.
yes
No, they can not.
they swim all ways..their is not forward backwards or sideways....
they can
They can swim backwards in short bursts, if that's what you mean.
the animals which don't have adaptations like fins,gills cannot swim but some organisms can swim for a short time using their other organs like hands in man,legs in ants and some other insects etc