noun
dwarf sperm whale
Scientific name Kogia sima. A small toothed whale; the name is usually written in katakana.
オガワコマッコウは小型のマッコウクジラの仲間です。
The dwarf sperm whale is a small relative of the sperm whale.
The much larger sperm whale (Physeter macrocephalus); オガワコマッコウ is a dwarf species in the same superfamily.
The Japanese name combines 小川 (ogawa, 'small river') with 小抹香 (komakkou), a term related to sperm whales. The exact derivation is uncertain; it is a conventional name for this species.