MeSH definition : The species Orcinus orca, in the family Delphinidae, characterized by its black and
white coloration, and huge triangular dorsal fin. It is the largest member of the
DOLPHINS and derives its name from the fact that it is a fearsome predator.;
The species Orcinus orca, in the family Delphinidae, characterized by its black and
white coloration, and huge triangular dorsal fin. It is the largest member of the
DOLPHINS and derives its name from the fact that it is a fearsome predator.