Holocentridae
Holocentridae is a family of beryciform ray-finned fish, the only family of the suborder Holocentroidei. The members of the subfamily Holocentrinae are typically known as squirrelfish, while the members of Myripristinae typically are known as soldierfish. In Hawaii, they are known by the Japanese name 2=メンパチ or the Hawaiian ʻūʻū.
They are found in tropical parts of the Indian, Pacific and Atlantic Oceans, with the greatest species richness near reefs in the Indo-Pacific. Most are found at depths from the shoreline to, but some, notably the members of the genus Ostichthys, are generally found far deeper. Being largely or entirely nocturnal, they have relatively large eyes. During the day, they typically remain hidden in crevices, caves, or under ledges. Red and silvery colours dominate. The preopercle spines of the members of the subfamily Holocentrinae are venomous, and can give painful wounds. Most have a maximum length of, but Sargocentron iota barely reaches, and S. spiniferum and Holocentrus adscensionis can reach more than. The squirrelfishes mainly feed on small fishes and benthic invertebrates, while the soldierfishes typically feed on zooplankton. The larvae are pelagic, unlike the adults, and can be found far out to sea.
Timeline
Definitive holocentroid fishes first appear in the earliest part of the Cenozoic and boast a modest fossil record.ImageSize = width:1000px height:auto barincrement:15px
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