What is "dwarf sperm whale"

n. One of the two small whales in the sperm whale family, (taxlink Kogia sima species noshow=1).

n. very small (to 8 feet) sperm whale of central coasts of Atlantic and Pacific [syn: Kogia simus]

The dwarf sperm whale (Kogia sima, formerly Kogia simus) is one of three extant species in the sperm whale family. They are not often sighted at sea, and most extant information comes from the study of stranded carcasses.