Overview

Comprehensive Description

Biology

This rare species is a secretive dweller of crevices and clefts in caves of outer reef drop-offs (Ref. 1602). Natural diet unknown; forms harems of 3-7 individuals. Almost never exported through the aquarium trade (Ref. 48391).
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Distribution

Range Description

This species has been recorded from scattered locations in the north-east Indian Ocean and western Pacific including the Spratly Islands, Palau, Papua New Guinea, Indonesia, Marshall Islands, Cocos Keeling Islands (Australia), Fiji and Guam (USA) (Pyle 2001, G.R. Allen pers. comm. 2006). There is an unconfirmed report from the Ogasawara (=Bonin) Islands, Japan. Found at depths of 20 to at least 100 m (Pyle 2001, G.R. Allen pers. comm. 2006).
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Indo-West Pacific: Cocos-Keeling Atoll, parts of Indonesia, Palau (Belau), Guam, Fiji, and the Marshall Islands (Ref. 48391). Also in Indonesia (BPBM 34195).
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Western Pacific and southeastern Indian Ocean.
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Physical Description

Morphology

Dorsal spines (total): 14; Dorsal soft rays (total): 16 - 17; Analspines: 3; Analsoft rays: 17
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Size

Maximum size: 90 mm NG
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Max. size

9.0 cm TL (male/unsexed; (Ref. 9710))
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Diagnostic Description

Back and adjacent dorsal fin purple; rest of the body and fins lemon yellow. Eye with thin purple ring around it.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This seldom seen species inhabits, ledges crevices and caves on steep outer reef slopes (Pyle 2001, G.R. Allen pers. comm. 2006). The natural diet is unknown. It forms harems of three to seven individuals (Pyle 2001).

Systems
  • Marine
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Environment

reef-associated; non-migratory; marine; depth range 20 - 100 m (Ref. 48391)
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Depth: 24 - 75m.
From 24 to 75 meters.

Habitat: reef-associated. This rare species is a secretive dweller of crevices and clefts in caves of outer reef dropoffs.
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Trophic Strategy

This rare species is a secretive dweller of crevices and clefts in caves of outer reef dropoffs.
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Pyle, R. & Myers, R.

Reviewer/s
Elfes, C., Polidoro, B., Livingstone, S. & Carpenter, K.E.

Contributor/s

Justification

Listed as Least Concern in view of its wide distribution, presumed large overall population, there is relatively limited collection for the aquarium fish trade, no substantial habitat loss, and in general no apparent major threats.

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Population

Population
It appears to be uncommon but is believed to have stable populations.

Population Trend
Stable
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Threats

Major Threats

There is no substantial habitat loss, it is rarely collected for the marine aquarium fish trade, and there appear to be no major threats to this species overall.

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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions

There appear to be no species-specific conservation measures in place. This species probably occurs within some marine protected areas.

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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest; aquarium: commercial
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Wikipedia

Cocos-Keeling angelfish


Centropyge colini, the Cocos-Keeling angelfish, or Colin's angelfish is a small marine angelfish measuring up to 9cm, it is predominantly yellow with the upper quarter of its body being bright blue in colour. It inhabits reefs up to a depth of 100m in the Indo-west Pacific ocean, including around the Cocos (Keeling) Islands for which it is named. It is a rare and elusive species which spends much of its time hiding amongst rocks and rubble on reef top-offs. The fish move in harems of between 3 and 7 individuals, their natural diet is unknown. The fish is very rarely exported as part of the aquarium trade.

References[edit]

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