The eyes are very small and lips are large. The females are slightly larger than males, as with all baleen whales. Calves are blue to gray colored. Right whales have no dorsal fin and no throat grooves. They have large flippers.
Right whales are skimmers, filter feeders that swim slowly with their mouth open, constantly eating.
On occasion, they are also bottom feeders, eating benthic prey from the mud on the ocean floor. Right whales only long-term bonds are between mother and calf. Right whales vocalize when on migrations, mostly between the frequencies of xx Hertz. Right whales live in temperate and cool seas in both hemispheres at the surface of the ocean. Some believe that right whales from the north Pacific should be considered a third species, Eubalaena japonica.