The southern right whale (Eubalaena australis) is a baleen whale, one of three species classified as right whales belonging to the genus Eubalaena.

The southern right whale (Eubalaena australis) is a baleen whale, one of three species classified as right whales belonging to the genus Eubalaena. Southern right whales inhabit oceans south of the Equator, between the latitudes of 20° and 60° south.

Right whales are three species of large baleen whales of the genus Eubalaena: the North Atlantic right whale (E. glacialis), the North Pacific right whale (E. japonica) and the Southern right whale (E. australis). They are classified in the family Balaenidae with the bowhead whale.

Eu­bal­aena aus­tralis is on av­er­age be­tween 16 and 18 me­ters long at ma­tu­rity, males being slightly shorter than fe­males. It has a ro­tund ap­pear­ance, a very large girth rel­a­tive to the length, with an enor­mous head (ap­prox­i­mately 1/3 the body length).