Shorefishes of the Greater Caribbean online information system

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Species: Heniochus monoceros, Masked Bannerfish, Masked Coachman

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face black, nape brown
knobs: 1 over each eye, 1 on nape
D spine IV filament short
1st body bar origin behind D filament
2nd body bar origin under soft D
A yellow & white, black edge

Heniochus monoceros Cuvier, 1831

Masked Bannerfish, Masked Coachman

Body round, strongly compressed; snout projecting in a moderate sized tube, 31-36% head length; adults with a small pointed knob over each eye and a short, pointed bony knob on nape projecting forwards above eye; dorsal fin XII, 24-27, with long filament based on 4th spine, rays longer than posterior spines; anal fin III, 18-19; pectorals 16-17; tail fin truncate; lateral line complete, ends at base of tail fin, 55-61 scales.

Body with white front, yellow-white rear, an indistinct oblique dark bar at rear; face black, a thin white bar between eyes, upper forehead yellow-brown; dark bar on front of body through pectoral and pelvic fins, extends onto dorsal fin behind 4th spine fin-banner; body with rear dark bar relatively indistinct; dorsal fin with white banner, remainder of fin yellow; tail fin yellow; anal fin white at front, yellow behind; pelvics black.

Reaches 25 cm.

Lives on coral reefs, lagoons and seaward reefs.

Depth range 2-45m, usually below 15 m

Indo-central Pacific: introduced to SE Florida

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Exotic (Introduced)
  • Greater Caribbean non-endemic
Regional Endemism
  • Exotic (Introduced)
  • GC non-endemic
  • All species
  • Vagrant
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 25
Depth Range Min
  • 2
Depth Range Max
  • 45