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Chaetodon unimaculatus Bloch, 1787
Pacific Teardrop Butterflyfish

Life   Vertebrata   Fish   Chaetodontidae   Chaetodon

Chaetodon unimaculatus
© Copyright Gerald Allen, 2006 · 0
Chaetodon unimaculatus

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  • Australian Faunal Directory
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Main identification features
  • white
  • black bars: head and tail base
  • mid-back: large black spot
Body a strongly compressed oval disc; snout short, blunt, small mouth at end; teeth long and slender; lateral line ends under dorsal fin; dorsal XIII, 21-23; A III,18-20; pectoral 14-15; scales rough, covering head body and dorsal and anal fins; 38-47 lateral line scales.

Body white, with a broad black bar through eye and a thin black bar across tail base extending onto rear of dorsal and anal fins; a large black spot on back; yellow dorsal, anal and pelvic fins; tail fin clear.

Size: 20 cm.

Habitat: rocky and coral reefs.

Depth: 1-20 m.

An Indo-Pacific species; present as a vagrant in the Galapagos.

Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 20 m.
Depth Range Min: 1 m.
Diet: benthic microalgae; mobile benthic crustacea (shrimps/crabs); mobile benthic worms; soft corals/hydroids; hard corals.
Eastern Pacific Range: Northern limit=2; Southern limit=-2; Western limit=-93; Eastern limit=-90; Latitudinal range=4; Longitudinal range=3.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Omnivore.
FishBase Habitat: Demersal.
Global Endemism: Indo-Pacific only (Indian + Pacific Oceans); "Transpacific" (East + Central &/or West Pacific); All Pacific (West + Central + East); TEP non-endemic; All species.
Habitat: Rocks; Corals; Reef associated (reef + edges-water column & soft bottom); Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 20 cm.
Regional Endemism: Eastern Pacific non-endemic; Tropical Eastern Pacific (TEP) non-endemic; Island (s); Island (s) only; All species.
Residency: Vagrant.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Bloch, M. E., 1787., Naturgeschichte der ausländischen Fische. Berlin., Naturg. Ausl. Fische, 3:1-146.


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