Overview
Comprehensive Description
Biology
Retires under low rock ledges at night. Feeds mainly on small benthic organisms (small crustaceans, mollusks and polychaete worms, sponges, coral polyps). Hibernates in the sand in winter.
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Russell, B.C. 1988 Revision of the labrid fish genus Pseudolabrus and allied genera. Rec. Aust. Mus. (Suppl. 9):1-72. (Ref. 26203)
http://www.fishbase.org/references/FBRefSummary.php?id=26203&speccode=12794
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Distribution
Northwest Pacific: central Honshu to Okinawajima in Japan; South Korea, southern China, Taiwan, and Hong Kong.
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Russell, B.C. 1988 Revision of the labrid fish genus Pseudolabrus and allied genera. Rec. Aust. Mus. (Suppl. 9):1-72. (Ref. 26203)
http://www.fishbase.org/references/FBRefSummary.php?id=26203&speccode=12794
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Physical Description
Size
Max. size
25.0 cm TL (male/unsexed; (Ref. 559))
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Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino 1984 The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
http://www.fishbase.org/references/FBRefSummary.php?id=559&speccode=7
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Ecology
Habitat
Depth range based on 5 specimens in 1 taxon.
Environmental ranges
Depth range (m): 5 - 9.5
Graphical representation
Depth range (m): 5 - 9.5
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Environmental ranges
Depth range (m): 5 - 9.5
Graphical representation
Depth range (m): 5 - 9.5
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Trophic Strategy
Retires under low rock ledges at night. Feeds mainly on small benthic organisms (small crustaceans, molluscs and polychete worms, sponges, coral polyps).
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Russell, B.C. 1988 Revision of the labrid fish genus Pseudolabrus and allied genera. Rec. Aust. Mus. (Suppl. 9):1-72. (Ref. 26203)
http://www.fishbase.org/references/FBRefSummary.php?id=26203&speccode=12794
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Life History and Behavior
Life Cycle
Pelagic spawner.
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Matsuyama, M., S. Morita, N. Hamaji, M. Kashiwagi, K. Ohta and Y. Nagahama 1997 Diurnal spermatogenesis and spawning in the secondary male of a protogynous wrasse, Pseudolabrus japonicus (Teleostei, Labridae). Zool. Sci. __:1001-1008. (Ref. 32194)
http://www.fishbase.org/references/FBRefSummary.php?id=32194&speccode=12795
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Conservation
Threats
Not Evaluated
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IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
http://www.fishbase.org/references/FBRefSummary.php?id=57073
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Relevance to Humans and Ecosystems
Benefits
Importance
aquarium: commercial
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Burgess, W.E., H.R. Axelrod and R.E. Hunziker III 1990 Dr. Burgess's atlas of marine aquarium fishes. T.F.H. Publications, Inc., Neptune City, New Jersey. 768 p.
http://www.fishbase.org/references/FBRefSummary.php?id=9210
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