MeSH definition : The species Delphinapterus leucas, in the family Monodontidae, found primarily in
the Arctic Ocean and adjoining seas. They are small WHALES lacking a dorsal fin.;
MeSH synonym : beluga whales; whales, white; Delphinapterus leucas; white whale; whale, white; white whales;
Wikipedia link : https://en.wikipedia.org/wiki/Beluga whale;
The species Delphinapterus leucas, in the family Monodontidae, found primarily in
the Arctic Ocean and adjoining seas. They are small WHALES lacking a dorsal fin.