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Overview

Comprehensive Description

Biology

Occurs in coastal reefs, along deep slopes, usually in small aggregations. Also Ref. 48635.
  • Randall, J.E., G.R. Allen and R.C. Steene 1990 Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
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Distribution

Oceania and Western Pacific: Japan south to Australia, east to Vanuatu.
  • Randall, J.E., G.R. Allen and R.C. Steene 1990 Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
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Western Pacific.
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Physical Description

Morphology

Dorsal spines (total): 10; Dorsal soft rays (total): 15 - 17; Analspines: 3; Analsoft rays: 7
  • Myers, R.F. 1999 Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia, 3rd revised and expanded edition. Coral Graphics, Barrigada, Guam. 330 p. (Ref. 37816)
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Size

Maximum size: 145 mm TL
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Max. size

14.5 cm TL (male/unsexed; (Ref. 2334))
  • Randall, J.E., G.R. Allen and R.C. Steene 1990 Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
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Diagnostic Description

Description: Characterized by male having orange red upper head and adjacent anterodorsal body, grading to pinkish posteriorly and white ventrally, yellow to red orange wavy partially broken stripes on side, prominent red spot between seventh and tenth dorsal spine, caudal fin with red posterior margin; female with plain pinkish orange color grading to white below with orange band from lower eye to base of pectoral fin; fleshy protuberance at front of upper lip absent in male; prolonged third dorsal spine of male; lunate to emarginate caudal fin with short filamentous tips in male (Ref 90102).
  • Myers, R.F. 1999 Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia, 3rd revised and expanded edition. Coral Graphics, Barrigada, Guam. 330 p. (Ref. 37816)
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Ecology

Habitat

Environment

reef-associated; marine; depth range 10 - 60 m (Ref. 9710), usually 25 - 45 m (Ref. 27115)
  • Lieske, E. and R. Myers 1994 Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Haper Collins Publishers, 400 p. (Ref. 9710)
  • Baensch, H.A. and H. Debelius 1997 Meerwasser atlas. Mergus Verlag GmbH, Postfach 86, 49302, Melle, Germany. 1216 p. 3rd edition. (Ref. 27115)
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Depth range based on 3 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 24 - 56
  Temperature range (°C): 26.287 - 26.287
  Nitrate (umol/L): 0.822 - 0.822
  Salinity (PPS): 34.753 - 34.753
  Oxygen (ml/l): 4.544 - 4.544
  Phosphate (umol/l): 0.189 - 0.189
  Silicate (umol/l): 3.817 - 3.817

Graphical representation

Depth range (m): 24 - 56
 
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Depth: 10 - 60m.
From 10 to 60 meters.

Habitat: reef-associated.
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Trophic Strategy

Found inshore (Ref. 75154). In coral reefs over 15 m deep (Ref. 9137).
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
  • Baensch, H.A. and H. Debelius 1997 Meerwasser atlas. Mergus Verlag GmbH, Postfach 86, 49302, Melle, Germany. 1216 p. 3rd edition. (Ref. 27115)
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