Definition: The species Balaenoptera physalus, in the family Balaenopteridae, characterized by a large, strongly curved, dorsal fin. It is the second largest of the WHALES, highly migratory, but rarely seen near the shore.
Other names Whales, Finback; Whale, Finback; Finback Whales; Fin Whales; Finback Whale; Balaenoptera physalus