▁noted . ▁Fish ▁of ▁this ▁family ▁are ▁known ▁for ▁their ▁thick ▁scales ▁and ▁large ▁eyes , ▁which ▁take ▁up ▁about ▁half ▁the ▁length ▁of ▁the ▁head . ▁This ▁species ▁is ▁the ▁largest ▁in ▁the ▁Pri ac anth idae . ▁It ▁can ▁also ▁be ▁distinguished ▁from ▁others ▁in ▁the ▁family ▁by ▁its ▁long ▁pel vic ▁fins . ▁These ▁are ▁longest , ▁relative ▁to ▁body ▁size , ▁in ▁smaller ▁individuals . ▁The ▁tail ▁fin ▁is ▁rounded . ▁The ▁fish ▁has ▁an ▁el ong ated ▁o val ▁shape ▁as ▁an ▁adult ▁and ▁is ▁later ally ▁com pressed . ▁It ▁is ▁red ▁in ▁color , ▁and ▁all ▁the ▁fins ▁may ▁be ▁yellow ish ▁except ▁the ▁p ector als , ▁which ▁are ▁p ink ▁to ▁color less . ▁The ▁memb ran es ▁between ▁the ▁d ors al ▁sp ines ▁may ▁be ▁slightly ▁dark ened ▁to ▁totally ▁black , ▁and ▁the ▁long ▁pel vic ▁fins ▁may ▁be ▁quite ▁dark . ▁The ▁ju ven ile ▁is ▁not ▁well ▁known ▁but ▁it ▁is ▁likely ▁silver ▁in ▁color . ▁The ▁appearance ▁of ▁the ▁fish ▁shows ▁some ▁ge ographical ▁variation , ▁mainly ▁in ▁size . ▁ ▁The ▁life ▁span ▁of ▁the ▁fish ▁is ▁up ▁to ▁about ▁ 9 ▁years . ▁ ▁E col ogy ▁Many ▁catal uf as ▁commonly <0x09> live ▁in ▁the ▁waters ▁around ▁islands . ▁This ▁species ▁lives ▁around ▁re ef s ▁at ▁depth s ▁up ▁to ▁, ▁though ▁it ▁is ▁usually ▁found ▁between ▁. ▁It ▁lives ▁around ▁rocks ▁and ▁led ges ▁with ▁in verte br ate ▁life ▁such ▁as ▁sp