▁size ▁of ▁the ▁hol ot ype . ▁Ble ek er ' s ▁classification ▁is ▁still ▁considered ▁to ▁be ▁correct ▁to ▁this ▁day , ▁with ▁some ▁authors ▁incorrectly ▁re assign ing ▁the ▁species ▁to ▁Car an x , ▁and ▁only ▁one ▁junior ▁syn onym ▁has ▁been ▁applied ; ▁Car ango ides ▁g ib ber ▁by ▁Henry ▁We ed ▁F ow ler . ▁ ▁Description ▁The ▁imp oster ▁tre v ally ▁is ▁a ▁relatively ▁small ▁species , ▁growing ▁to ▁a ▁maximum ▁known ▁length ▁of ▁ 3 0   cm , ▁still ▁making ▁it ▁small ▁compared ▁to ▁many ▁of ▁its ▁relatives . ▁The ▁overall ▁shape ▁of ▁the ▁fish ▁is ▁similar ▁to ▁most ▁of ▁the ▁other ▁species ▁in ▁Car ango ides , ▁having ▁a ▁strongly ▁com pressed ▁almost ▁ov ate ▁body , ▁with ▁the ▁d ors al ▁profile ▁somewhat ▁more ▁convex ▁than ▁the ▁vent ral . ▁This ▁asym met ry ▁is ▁due ▁to ▁the ▁d ors al ▁profile ▁of ▁the ▁head ▁being ▁strongly ▁elev ated ▁to ▁the ▁na pe . ▁The ▁d ors al ▁fin ▁is ▁in ▁two ▁distinct ▁sections ; ▁the ▁first ▁consisting ▁of ▁ 8 ▁sp ines ▁and ▁the ▁second ▁of ▁ 1 ▁sp ine ▁and ▁ 2 0 ▁to ▁ 2 3 ▁soft ▁ray s . ▁The ▁long ▁section ▁of ▁the ▁anal ▁fin ▁is ▁preced ed ▁by ▁two ▁det ached ▁sp ines , ▁while ▁the ▁main ▁fin ▁has ▁ 1 ▁sp ine ▁and ▁ 1 7 ▁to ▁ 1 9 ▁soft ▁ray s . ▁The ▁lo bes ▁of ▁both ▁the ▁soft ▁d ors al