It was once thought that this pinniped raked the ocean floor with its tusks to look for food
| Aldemaro Romero Jr. - Academia ... [PAR] The same thing can be said of the two species of pinnipeds (the Lake Baikal seal 
and the .... That is the case of paintings originally thought to be of dolphins but 
later ..... On one hand these creatures are usually at the top of their aquatic food 
chain ....