Table of Contents
Overview
Comprehensive Description
Biology
Prefer algae covered and mud bottoms areas of estuaries and coastal reefs (Ref. 9710). Usually occur in pairs. Feed on small benthic invertebrates (Ref. 9710). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
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Steene, R.C. 1978 Butterfly and angelfishes of the world. A.H. & A.W. Reed Pty Ltd., Australia. vol. 1. 144 p. (Ref. 4859)
http://www.fishbase.org/references/FBRefSummary.php?id=4859&speccode=6515
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Distribution
Western Pacific: found exclusively on coastal reefs and estuaries of Queensland. Recently recorded from northwestern Australia (Ref. 5978, 3131).
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Steene, R.C. 1978 Butterfly and angelfishes of the world. A.H. & A.W. Reed Pty Ltd., Australia. vol. 1. 144 p. (Ref. 4859)
http://www.fishbase.org/references/FBRefSummary.php?id=4859&speccode=6515
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Range Description
This species is limited to the coastal tropical waters of northern Australia, where it ranges from the Kimberly Archipelago of northwestern Western Australia to the southern Great Barrier Reef (Steene 1978, Pyle 2001, G.R. Allen pers. comm. 2006). It has been recorded at depths of 1-20 m.
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Physical Description
Morphology
Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 26 - 30; Analspines: 3; Analsoft rays: 18 - 21
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Steene, R.C. 1978 Butterfly and angelfishes of the world. A.H. & A.W. Reed Pty Ltd., Australia. vol. 1. 144 p. (Ref. 4859)
http://www.fishbase.org/references/FBRefSummary.php?id=4859&speccode=6515
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Size
Max. size
20.5 cm TL (male/unsexed; (Ref. 4859))
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Steene, R.C. 1978 Butterfly and angelfishes of the world. A.H. & A.W. Reed Pty Ltd., Australia. vol. 1. 144 p. (Ref. 4859)
http://www.fishbase.org/references/FBRefSummary.php?id=4859&speccode=6515
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Ecology
Habitat
Habitat and Ecology
Habitat and Ecology
Systems
Populations are generally found on shallow coastal reefs (lacking live coral cover) with a muddy or silty substrate, or extensive algal cover as well as estuaries (Steene 1978). Adults are usually encountered in pairs (Steene 1978, Pyle 2001). It feeds on crabs, worms, and other invertebrates (Pyle 2001).
Systems
- Marine
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Depth range based on 37 specimens in 1 taxon.
Water temperature and chemistry ranges based on 16 samples.
Environmental ranges
Depth range (m): 0.5 - 88.5
Temperature range (°C): 24.703 - 27.300
Nitrate (umol/L): 0.054 - 1.164
Salinity (PPS): 34.114 - 35.354
Oxygen (ml/l): 4.222 - 4.711
Phosphate (umol/l): 0.070 - 0.285
Silicate (umol/l): 0.900 - 6.128
Graphical representation
Depth range (m): 0.5 - 88.5
Temperature range (°C): 24.703 - 27.300
Nitrate (umol/L): 0.054 - 1.164
Salinity (PPS): 34.114 - 35.354
Oxygen (ml/l): 4.222 - 4.711
Phosphate (umol/l): 0.070 - 0.285
Silicate (umol/l): 0.900 - 6.128
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Water temperature and chemistry ranges based on 16 samples.
Environmental ranges
Depth range (m): 0.5 - 88.5
Temperature range (°C): 24.703 - 27.300
Nitrate (umol/L): 0.054 - 1.164
Salinity (PPS): 34.114 - 35.354
Oxygen (ml/l): 4.222 - 4.711
Phosphate (umol/l): 0.070 - 0.285
Silicate (umol/l): 0.900 - 6.128
Graphical representation
Depth range (m): 0.5 - 88.5
Temperature range (°C): 24.703 - 27.300
Nitrate (umol/L): 0.054 - 1.164
Salinity (PPS): 34.114 - 35.354
Oxygen (ml/l): 4.222 - 4.711
Phosphate (umol/l): 0.070 - 0.285
Silicate (umol/l): 0.900 - 6.128
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Trophic Strategy
Occurs inshore (Ref. 75154). Prefers algae covered and mud bottoms areas of estuaries and coastal reefs. Feeds on small benthic invertebrates.
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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)
http://www.fishbase.org/references/FBRefSummary.php?id=9710&speccode=13770
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Life History and Behavior
Life Cycle
Form pairs 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: Chelmon muelleri
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
Public Records: 0
Specimens with Barcodes: 2
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
Myers, R. & Pratchett, M.
Reviewer/s
Elfes, C., Polidoro, B., Livingstone, S. & Carpenter, K.E.
Contributor/s
Justification
This species is found along the northern coast of Australia and it lives in rocky and silty-muddy habitats. There are no known threats to this species and it is listed as Least Concern.
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Trends
Population
Population
Population Trend
It is generally common (G.R. Allen pers. comm. 2006). There is no reason to believe that the population is declining.
Population Trend
Stable
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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 appear to be no major threats to this species. Collection is limited and is not considered to be impacting the global population.
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Management
Conservation Actions
Conservation Actions
There appear to be no species-specific conservation measures in place. This species is believed to be present within a number of marine protected areas.
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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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