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Overview

Comprehensive Description

Biology

Inhabits seaweed beds and rocky reefs (Ref. 42722).
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Distribution

Range Description

This species is found from Japan (with questionable records off Ryukyo islands), Taiwan, South Korea (Cheju Island), China (Pratas Island) (Chen et al. 1999, Parenti and Randall, 2000, Randall and Lim, 2000, Shimada 2002) (R. Myers, pers. comm. 2008).
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Northwest Pacific: Japan and Taiwan.
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Western Pacific.
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Physical Description

Morphology

Dorsal spines (total): 9; Dorsal soft rays (total): 11 - 12; Analspines: 3; Analsoft rays: 9 - 10
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Size

Max. size

17.0 cm SL (male/unsexed; (Ref. 42722)); 15 cm SL (female)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is found in algal beds and rocky reefs (Kuiter 2002). It is a protogynous sex changer (Nakazono 1979, Lee et al. 1992). Reproductive season includes May and June in Korea when water temperature begins to rise according to gonadosomatic index (Lee et al. 1992)

Systems
  • Marine
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Environment

reef-associated; marine
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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 12.5 - 12.5
  Temperature range (°C): 26.960 - 26.960
  Nitrate (umol/L): 0.498 - 0.498
  Salinity (PPS): 34.192 - 34.192
  Oxygen (ml/l): 4.578 - 4.578
  Phosphate (umol/l): 0.284 - 0.284
  Silicate (umol/l): 4.892 - 4.892
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Pteragogus aurigarius

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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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
Sadovy, Y.

Reviewer/s
Craig, M.T. & Carpenter, K.E.

Contributor/s

Justification
This species has limited and uncertain distribution and is found in marine protected areas in parts of its range. More information is needed on distribution, population, biology, and impact of potential threats. It is therefore listed as Data Deficient.
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Population

Population
There is no population information availlable for this species.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species, although it is taken in the local fishery in Japan and Korea as food fish.
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Data deficient (DD)
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Management

Conservation Actions

Conservation Actions
There are no species-specific conservation measures in place for this species. However, its distribution overlaps several marine protected areas within its range (Wood 2007).
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