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Overview

Distribution

Range Description

This species ranges from South Korea (Ceju Island) to southern Japan (Randall 1999). Records from the Philippines (Parenti and Randall 2000) are either H. tenuispinis or a new similar species (R. Myers pers. comm. 2009).
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Japan.
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Western Pacific: Japan to the Philippines.
  • Parenti, P. and J.E. Randall 2000 An annotated checklist of the species of the labroid fish families Labridae and Scaridae. Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. (68):1-97. (Ref. 35918)
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Physical Description

Morphology

Dorsal spines (total): 9; Dorsal soft rays (total): 12; Analspines: 3; Analsoft rays: 12
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Size

Max. size

12.2 cm SL (male/unsexed; (Ref. 33416))
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Diagnostic Description

Lateral line scales 27, plus 1 on the base of caudal fin; nearly always 13 pectoral rays (rarely 14), females without dark caudal spot; longest dorsal soft ray ranges from 1.95-2.3 in HL (Ref. 33416).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This is a dermeral species that inhabits coral reefs and rocky reefs, and macro-algae covered substrates. The maximum length recorded was 12.2 cm SL male/unsexed (Randall 1999).

Systems
  • Marine
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Environment

demersal; marine
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Cabanban, A., Pollard, D., Choat, J.H., Myers, R. & Russell, B.

Reviewer/s
Liu, M. & Carpenter, K.E.

Contributor/s

Justification
This species has a relatively restricted range in a region of high population density and coastal development leading to habitat degradation. However, the extent of the effects of these threats are not known. This species is listed as Data Deficient.
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Population

Population
There is no population information for this species.

Population Trend
Unknown
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Threats

Major Threats
Habitat degradation is a threat - this species range falls within area of intensive coastal development.
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Data deficient (DD)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
There are no specific conservation measures in place for this species. Its distribution overlaps several marine protected areas within its range.
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