Chaetodon humeralis

Chaetodon humeralis has an oval disc-like body which is strongly compressed and it has a small mouth positioned at the end of a short snout.The colour of the body is white or silvery white with obvious brownish-black bands on the line of the pectoral fin and another running in from the base of the caudal fin, a third brownish-black band runs from the nape down through the eye to the throat.[4] Chaetodon humeralis is found in the Eastern Pacific Ocean, its most northerly occurrence is at Redondo Beach in Los Angeles, California and from there, its range extends south to Peru.[1] Chaetodon humeralis is strongly associated with rock reefs but has been recorded over a variety of substrates in different parts of its range, including intertidal pools, mangroves and estuaries.[1] Chaetodon humeralis was first formally described in 1860 by the German-born British zoologist Albert Günther (1830–1914) with the type locality given as “the Sandwich Islands” in error for Central America.
A threebanded butterflyfish caught near Panama City, Panama (November 20, 2023).
Conservation statusLeast ConcernIUCN 3.1Scientific classificationEukaryotaAnimaliaChordataActinopterygiiAcanthuriformesChaetodontidaeChaetodonBinomial nameGüntherray-finned fishbutterflyfishfamilypectoral fincaudal findorsal finanal fintotal lengthRedondo BeachLos AngelesCaliforniaGalapagos IslandsRevillagigedo IslandsCocos IslandMalpelo IslandChaetodipterus zonatusincertae sedisIUCN Red List of Threatened SpeciesFroese, RainerFishBaseEschmeyer, William N.Catalog of FishesCalifornia Academy of SciencesWikidataiNaturalistNatureServeOpen Tree of Life