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Longspine squirrelfish
The longspine squirrelfish (''Holocentrus rufus'') is a silvery red, sea fish with orange-gold body stripes. One of about 150 species of squirrelfish, their most distinguishing characteristics are their large eyes and the long third spine of the anal fin. It is often included in public aquarium displays. The length of the longspine squirrelfish is about 18 cm (7.8 inches). It lives in coral reefs in tropical and warm temperate seas and eats zoobenthos. It is territorial and uses sounds called “grunts” and “staccatos” to defend its crevice, warn of danger and, in groups, intimidate predators such as the moray eel. The longspine squirrelfish is edible and harvested on a small scale.
==Identification==
The body of the longspine squirrelfish is silvery red, with orange-gold body stripes. Its eyes are very large, which is characteristic of all squirrelfish. The rear dorsal fin is pronounced and sticks up. The anal fin has a strongly elongated third spine, from which this squirrelfish gets its name.〔http://species-identification.org/species.php?species_group=caribbean_diving_guide&id=260〕
There are about 150 species of squirrelfish. Squirrelfish, belonging to the order of Beryciformes, are brightly colored, medium-sized fish that are active during the night. Squirrelfish live in rocky or coral reefs in tropical and warm-temperate seas. Their most distinguishing characteristics are their large eyes. To identify the longspine squirrelfish, in addition to recognizing the long third spine of the anal fin, it can be useful to pay attention to the specific anatomy of other fins:〔(FishBase.org page on longspine squirrelfish )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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