Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Chaetodon humeralis, Threebanded butterflyfish

    Bookmode

Taxa

Next

Previous

Literature

All Families:   All Genera:   All Species:

silver + 3 bars
D & A rear edges black
C: 2 bars
Images
This Species (2) This Genus (6) Similar Species (2)

Next

Previous

Chaetodon humeralis Günther, 1860

Threebanded butterflyfish

Body a strongly compressed oval disc; mouth small, at end of a short, pointed snout; teeth long and slender; dorsal fin with XIII, 18-20, membranes between spines not strongly indented, dorsal spines increasing in length to fourth or fifth spine then decreasing in length; anal fin III, 15-17, 2nd  spine longer than 3rd; rear edges of dorsal and anal fins bluntly angular; tail edge straight to rounded; scales rough, covering dorsal and anal fins as well as head and body; lateral line in a high arch, incomplete (ends under dorsal fin);  34-39 lateral line scales.

White or silvery white with prominent black bars at level of pectoral fin and just in front of caudal fin base, also a black band from throat, through eye to nape; dorsal, anal, and caudal fin with black bands.

Size: attains 26.4 cm.

Habitat: a common species on rocky reefs

In 3-55 m depths, most common in 5-12 m.

Baja and the central Gulf of California to Chile, including Cocos, Malpelo and the Galapagos.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Estuary
  • Reef (rock/coral/oyster)
  • Mangrove
  • Rocks
  • Reef and soft bottom
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Corals
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Omnivore
  • Data
Diet
  • Benthic microalgae
  • Sponges/seasquirts/bryozoa
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Soft corals/hydroids
  • Hard corals
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent
  • Island (s)
  • Continent + Island (s)
  • TEP endemic
  • All species
Residency
  • Resident
Climate Zone
  • South Temperate (Peruvian Province )
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 26.4
Depth Range Min
  • 3
Depth Range Max
  • 55