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Chaetodon unimaculatus Bloch, 1787
TEARDROP BUTTERFLYFISH
Pacific Teardrop Butterflyfish

Life   Vertebrata   Fish   Chaetodontidae   Chaetodon

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

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Overview
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.


Attributes
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;


Names
Scientific source:

Links to other sites

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

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Chaetodon&speciesname=unimaculatus ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Chaetodon&speciesname=unimaculatus
http://192.134.151.83/Summary/speciesSummary.php?genusname=Chaetodon&speciesname=unimaculatus ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Chaetodon&speciesname=unimaculatus
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Chaetodon&speciesname=unimaculatus ---> https://fishbase.mnhn.fr/summary/Chaetodon-unimaculatus.html
Chaetodon unimaculatus, Teardrop butterflyfish : fisheries, aquarium
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Chaetodon unimaculatus Bloch , 1787

Teardrop butterflyfish Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Chaetodon unimaculatus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Videos | Stamps, Coins Misc. | Google image Image of Chaetodon unimaculatus (Teardrop butterflyfish) Chaetodon unimaculatus
Picture by Asman, P.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Acanthuriformes (Surgeonfishes) > Chaetodontidae (Butterflyfishes)
Etymology: Chaetodon: Greek, chaite = hair + Greek, odous = teeth (Ref. 45335 ) .
More on author: Bloch .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 1 - 60 m (Ref. 1602 ). Tropical; 35°N - 35°S, 95°E - 125°W (Ref. 47838 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: East Africa (south to Port Alfred, South Africa, Ref. 5372) to the Hawaiian, Marquesan, and Ducie islands, north to southern Japan, south to the Lord Howe and Rapa islands; throughout Micronesia.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 9710 ); common length : 16.0 cm TL male/unsexed; (Ref. 48636 )

Short description Morphology | Morphometrics

Dorsal spines (total): 12 - 13; Dorsal soft rays (total): 19-23; Anal spines : 3; Anal soft rays : 18 - 20.

Biology     Glossary (e.g. epibenthic)

Occur in small groups in reef flats, clear lagoon and seaward reefs (Ref. 48636 ). Benthopelagic (Ref. 58302 ). Feed on soft and hard corals, also on polychaetes, small crustaceans, and filamentous algae. In Indonesia, usually seen at moderate depths, usually swimming in small groups. Adults are mainly in depth 20-60 m (Ref. 48636 ). Oviparous (Ref. 205 ), monogamous (Ref. 52884 ). Form pairs during breeding (Ref. 205 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing (Ref. 205 ). Monogamous mating is observed as both obligate and social (Ref. 52884 ).

Main reference Upload your references | References | Coordinator | Collaborators

Myers, R.F. , 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 09 October 2009

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial; aquarium: commercial FAO - Publication: search | FishSource | Sea Around Us

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | DORIS | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 24.3 - 28.8, mean 27.6 °C (based on 518 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.02818 (0.01692 - 0.04693), b=3.00 (2.86 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.3   ±0.3 se; based on diet studies. Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100). Price category (Ref. 80766 ):   Unknown . Nutrients (Ref. 124155 ):  Calcium = 85.1 [45.0, 130.0] mg/100g; Iron = 0.753 [0.453, 1.216] mg/100g; Protein = 18.6 [17.5, 19.7] %; Omega3 = 0.122 [0.077, 0.193] g/100g; Selenium = 36.2 [20.8, 66.5] μg/100g; VitaminA = 48.7 [14.5, 161.6] μg/100g; Zinc = 1.3 [0.9, 1.8] mg/100g (wet weight);

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