A family of fish in the order Acanthurus. Its body is whale-shaped (→ Cetaceans), soft and squishy. Its dorsal fin is located backwards and opposite its anal fin. It has a large head. Its mouth is also large, but its eyes are extremely small. Its fins have no spines. It inhabits the mid-depths and deep layers of the open ocean around the world. It is rare in the waters around Japan. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
魚類の分類,カンムリキンメダイ目の一科。体はクジラ形(→クジラ類)で,やわらかく,ぶよぶよしている。背鰭は後方にあり,尻鰭と対在する。頭は大きい。口も大きいが,眼は著しく小さい。各鰭にとげはない。世界中の外洋の中深層ないし深層に生息する。日本近海ではまれである。
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