Table of Contents
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Overview
Comprehensive Description
Biology
Oviparous, distinct pairing during breeding (Ref. 205). Minimum depth from Ref. 58018.
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Parenti, P. and J.E. Randall 2011 Checklist of the species of the families Labridae and Scaridae: an update. Smithian Bull. 13:29-44. (Ref. 88079)
http://www.fishbase.org/references/FBRefSummary.php?id=88079&speccode=6580
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Distribution
Western Central Pacific: Coral Sea and Indonesia.
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Parenti, P. and J.E. Randall 2011 Checklist of the species of the families Labridae and Scaridae: an update. Smithian Bull. 13:29-44. (Ref. 88079)
http://www.fishbase.org/references/FBRefSummary.php?id=88079&speccode=6580
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Range Description
This species is only known from four locations in the Western Central Pacific: Banggai Islands and Togean Island, Indonesia, Checkfield Bank, New Caledonia, and the Great Barrier Reef, Australia (Allen and Adrim 2003, Cappo et al. 2007, Speare and Stowar 2007). As this species is found in deeper waters, it is not well-known, but its distribution is likely wider than these three locations.
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Physical Description
Size
Max. size
10.3 cm SL (male/unsexed; (Ref. 28618))
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Randall, J.E. 1997 Randall's tank photos. Collection of 10,000 large-format photos (slides) of dead fishes. Unpublished. (Ref. 28618)
http://www.fishbase.org/references/FBRefSummary.php?id=28618&speccode=60377
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Type Information
Paratype for Choerodon gomoni Allen & Randall
Catalog Number: USNM 366799
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): M. Kulbicki & et al.
Year Collected: 1988
Locality: Chesterfield Bank, Chesterfield Islands, New Caledonia, Coral Sea, Pacific
Depth (m): 76 to 76
Vessel: Alis
Catalog Number: USNM 366799
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): M. Kulbicki & et al.
Year Collected: 1988
Locality: Chesterfield Bank, Chesterfield Islands, New Caledonia, Coral Sea, Pacific
Depth (m): 76 to 76
Vessel: Alis
- Paratype: Allen, G. R. & Randall, J. E. 2002. Aqua: Journal of Ichthyology and Aquatic Biology. 5 (3): 110, figs 1-2.
© Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
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Ecology
Habitat
Environment
demersal; marine; depth range ? - 82 m (Ref. 46206)
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Eschmeyer, W.N. (ed.) 2003 Catalog of fishes. Updated database version of March 2003. Catalog databases as made available to FishBase in March 2003. (Ref. 46206)
http://www.fishbase.org/references/FBRefSummary.php?id=46206&speccode=60302
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Habitat and Ecology
Habitat and Ecology
Systems
This species is demersal and has been recorded at a depth of 30-82 m (Bogutskaya 2007). There is no information on this species habitat requirements, biology or ecology. The maximum size of this species is 10.3 cm SL (Randall 1997).
Systems
- Marine
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Depth range based on 66 specimens in 1 taxon.
Water temperature and chemistry ranges based on 39 samples.
Environmental ranges
Depth range (m): 16 - 82
Temperature range (°C): 23.246 - 26.525
Nitrate (umol/L): 0.149 - 2.089
Salinity (PPS): 35.095 - 35.568
Oxygen (ml/l): 4.484 - 4.801
Phosphate (umol/l): 0.083 - 0.203
Silicate (umol/l): 0.777 - 1.309
Graphical representation
Depth range (m): 16 - 82
Temperature range (°C): 23.246 - 26.525
Nitrate (umol/L): 0.149 - 2.089
Salinity (PPS): 35.095 - 35.568
Oxygen (ml/l): 4.484 - 4.801
Phosphate (umol/l): 0.083 - 0.203
Silicate (umol/l): 0.777 - 1.309
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Water temperature and chemistry ranges based on 39 samples.
Environmental ranges
Depth range (m): 16 - 82
Temperature range (°C): 23.246 - 26.525
Nitrate (umol/L): 0.149 - 2.089
Salinity (PPS): 35.095 - 35.568
Oxygen (ml/l): 4.484 - 4.801
Phosphate (umol/l): 0.083 - 0.203
Silicate (umol/l): 0.777 - 1.309
Graphical representation
Depth range (m): 16 - 82
Temperature range (°C): 23.246 - 26.525
Nitrate (umol/L): 0.149 - 2.089
Salinity (PPS): 35.095 - 35.568
Oxygen (ml/l): 4.484 - 4.801
Phosphate (umol/l): 0.083 - 0.203
Silicate (umol/l): 0.777 - 1.309
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Life History and Behavior
Life Cycle
Oviparous, distinct pairing during breeding (Ref. 205).
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Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)
http://www.fishbase.org/references/FBRefSummary.php?id=205&speccode=1256
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Molecular Biology and Genetics
Molecular Biology
Statistics of barcoding coverage: Choerodon gomoni
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 8
Species With Barcodes: 1
Public Records: 0
Specimens with Barcodes: 8
Species With Barcodes: 1
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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
Shea, S. & Liu, M.
Reviewer/s
Sadovy, Y. & Carpenter, K.E.
Contributor/s
Justification
This species is only known from a few locations in the western Pacific. Although little is known about its population status, habitat requirement, reproduction, recruitment, life history, or ecology, it is a deep water species and there are no known threats. It is listed as Least Concern.
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Trends
Population
Population
Population Trend
There is no population information available for this species. It is a deeper water species, and has not been commonly observed.
Population Trend
Unknown
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Threats
Least Concern (LC)
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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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Major Threats
There are no major threats known to this species. Although this species was observed in an underwater biodiversity survey and was identified as being susceptible to trawling given its depth and habitat association in the Great Barrer Reef (Pitcher et al. 2007), it is probably not threatened in many areas of Australia due to the depth (to 82 m) of its occurrence (Bogutskaya 2007) and the maximum size of this species recorded at 10.3 cm SL (Randall 1997), which means it does not the current minimum legal capture size of 40 cm in many areas of Australia (Queensland Government, Government of Western Australia 2008, 2008a).
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Management
Conservation Actions
Conservation Actions
This species is observed in the Great Barrier Reef Marine Park through baited underwater video surveys (Cappo et al. 2007, Speare and Stowar 2007).
In Queensland, the minimum legal size for tuskfish (Choerodon spp.) is 30 cm and daily bag limit is five in total for all Choerodon species per angler, in addition, closed season for fishing applies to coral reef finfish (Queensland Government).
This species is poorly known, as it occurs in deeper waters and has not been well-studied. More information is needed on its distribution, population status, habitat requirements, biology, ecology, and major threats.
In Queensland, the minimum legal size for tuskfish (Choerodon spp.) is 30 cm and daily bag limit is five in total for all Choerodon species per angler, in addition, closed season for fishing applies to coral reef finfish (Queensland Government).
This species is poorly known, as it occurs in deeper waters and has not been well-studied. More information is needed on its distribution, population status, habitat requirements, biology, ecology, and major threats.
© International Union for Conservation of Nature and Natural Resources
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IUCN
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