Rare species. Can sometimes be confused with humpback whales.
Maximum length of 17 metres.
Extremely stout body forms – their girth is as much as 60% of their length.
Mostly black with irregular white patches on the sides of their belly.

No dorsal fin.
Distinct V-shaped blow, upwards of 5 metres in height.

Broad and symmetrical tail fluke with a distinct notch.
Shows tail fluke upon diving.

Head is often covered in white callosities – small, irregular knobs of calloused skin.
Callosities are usually covered in whale lice.
