noun
atoll butterflyfish; Merten's butterflyfish; orangebar butterflyfish
A species of butterflyfish (Chaetodon mertensii) found in the Pacific. The name is used in ichthyology and by aquarium enthusiasts.
ベニオチョウチョウウオは太平洋のサンゴ礁に生息している。
The atoll butterflyfish inhabits coral reefs in the Pacific Ocean.