Overview
Comprehensive Description
Biology
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Randall, J.E. 1992 A review of the labrid fishes of the genus Cirrhilabrus from Japan, Taiwan and the Mariana Islands, with descriptions of two new species. Micronesica 25(1):99-121. (Ref. 5278)
http://www.fishbase.org/references/FBRefSummary.php?id=5278&speccode=5106
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Distribution
Range Description
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Geographic Range
Found from east Africa to the Tuamotu Islands, north towards Japan and in the Great Barrier Reef of Australia.
The Exquisite Wrasse is predominantly the only species of Wrasse found over its geographic range.
(Randall, 2000; Allen, 2000)
Biogeographic Regions: indian ocean (Native ); pacific ocean (Native )
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Distribution
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Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5909
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Anon. (2000). FishBase 2000 [CD-ROM]. ICLARM: Los Baños, Laguna, Philippines. 4 cd-roms pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6542
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Westneat, M.W. 2001 Labridae. Wrasses, hogfishes, razorfishes, corises, tuskfishes. p. 3381-3467. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9823)
http://www.fishbase.org/references/FBRefSummary.php?id=9823&speccode=4844
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Physical Description
Morphology
Physical Description
Color variation, due to geographic differences, is common between the Pacific and Indian Ocean forms. Males and females do not have the same coloring, although females attain the ability to change sex during their lifetime. When the female changes sex, her coloring and markings change into that of the male. The females are usually olive or reddish-brown in color with dark and light stripes that run along the sides of the body. A blue stripe is present on the posterior side of the female's body and dark spots are located on the underside of the fins. The males are more colorful and have bright red areas on the dorsal and pectoral fins. The younger forms do not differ greatly from the adults, but are distinguishable from the adults because they have a white spot on their nose.
(Randall, 2000; Allen, 2000)
Range mass: 0 to 0 kg.
Average mass: 2 kg.
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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)
http://www.fishbase.org/references/FBRefSummary.php?id=2334&speccode=13770
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Size
Max. size
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Westneat, M.W. 2001 Labridae. Wrasses, hogfishes, razorfishes, corises, tuskfishes. p. 3381-3467. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9823)
http://www.fishbase.org/references/FBRefSummary.php?id=9823&speccode=4844
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Diagnostic Description
Description
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Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5909
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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)
http://www.fishbase.org/references/FBRefSummary.php?id=2334&speccode=13770
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Ecology
Habitat
Habitat and Ecology
Caudal fin rounded in juveniles and females, double emarginated in males. Adult males olivaceous dorsally shading to white, pale blue or pink ventrally. With an oval black spot generally as large as or larger than eye posteriorly on caudal peduncle with its lower edge on the lateral line, a blue line sometimes broken extending from below peduncular spot to beneath pectoral fin. An oblique blue line from corner of mouth above eye to nape and continuing along base of dorsal fin, another from behind eye, breaking up above pectoral fin, and a third from the corner of mouth to upper edge of pectoral fin base, base of pectoral fin with a blue-edged black bar, the margin of fin red, median fins with a variable amount of red. Juveniles and small females red with an oval blue-edged black spot posteriorly on caudal peduncle, and a medial white spot at front of snout.
Systems
- Marine
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Habitat
The Exqusite Wrasse is normally found on reef slopes and lagoon habitats that are around ten meters below sea level. They prefer areas that are prone to strong currents.
(Randall, 2000; Allen, 2000)
Aquatic Biomes: reef ; coastal
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Water temperature and chemistry ranges based on 26 samples.
Environmental ranges
Depth range (m): 2 - 40
Temperature range (°C): 26.555 - 28.749
Nitrate (umol/L): 0.057 - 1.118
Salinity (PPS): 32.279 - 35.346
Oxygen (ml/l): 4.448 - 4.712
Phosphate (umol/l): 0.088 - 0.327
Silicate (umol/l): 0.803 - 4.452
Graphical representation
Depth range (m): 2 - 40
Temperature range (°C): 26.555 - 28.749
Nitrate (umol/L): 0.057 - 1.118
Salinity (PPS): 32.279 - 35.346
Oxygen (ml/l): 4.448 - 4.712
Phosphate (umol/l): 0.088 - 0.327
Silicate (umol/l): 0.803 - 4.452
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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From 6 to 35 meters.
Habitat: reef-associated. Occurs over rubble or low patch reefs in areas of current (Ref. 9823). Feeds on zooplankton in the water column (Ref. 9823).
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Environment
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Kuiter, R.H. and T. Tonozuka 2001 Pictorial guide to Indonesian reef fishes. Part 2. Fusiliers - Dragonets, Caesionidae - Callionymidae. Zoonetics, Australia. 304-622 p. (Ref. 48636)
http://www.fishbase.org/references/FBRefSummary.php?id=48636&speccode=25049
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Randall, J.E. 1992 A review of the labrid fishes of the genus Cirrhilabrus from Japan, Taiwan and the Mariana Islands, with descriptions of two new species. Micronesica 25(1):99-121. (Ref. 5278)
http://www.fishbase.org/references/FBRefSummary.php?id=5278&speccode=5106
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Trophic Strategy
Food Habits
Cirrhilabrus exquisitus is a carnivorous fish. It has a unique, sharp, tooth-like appendage enclosed in its mouth that is used to eat its larger prey which is primarily mollusks. In order to get through the hard shell, the Wrasse uses its sharp tooth to break the shell open. Its food also includes zooplankton, rotifers and copepods. Since these organisms are much smaller, the Exquisite Wrasse must filter these foods from the water.
(Shaws, 1999; Wells, 1999; Stevenson, 1999; Taggart, 1992)
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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
Reproduction
Reproduction
The Exquisite Wrasse mates year round. The male courts females by following her and showing the brilliant colors located on the sides of his body. He then releases sperm into the water where the female filters it through her gills and becomes impregnated. Like most other marine life, the female does not watch over the eggs. The eggs hatch and the Wrasse enters what is sometimes called the larval stage. The newborn fish are colorless with a spot on the end of their nose. For food, they often clean the bacteria off other fishes gills until they are big enough to find food in other places.
(Shaws, 1999; Wells, 1999; Stevenson, 1999)
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Molecular Biology and Genetics
Molecular Biology
Statistics of barcoding coverage: Cirrhilabrus exquisitus
Public Records: 1
Species: 5
Species With Barcodes: 1
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Conservation
Conservation Status
IUCN Red List Assessment
Red List Category
Red List Criteria
Version
Year Assessed
Assessor/s
Reviewer/s
Contributor/s
Justification
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Conservation Status
The Exquisite Wrasse is already a rare fish to see, and now its habitat is being destroyed. The pollution accumulated by toxic wastes deposited into the oceans has created a habitat that is not well suited for the Wrasse. Since the Wrasse lives close to shore, it is subjected to denser deposits of toxic wastes.
(Shaws, 1999; Stevenson, 1999; Wells, 1999)
US Federal List: no special status
CITES: no special status
IUCN Red List of Threatened Species: data deficient
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Trends
Population
Population Trend
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Threats
Threats
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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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Management
Conservation Actions
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Relevance to Humans and Ecosystems
Benefits
Economic Importance for Humans: Negative
Cirrhilabrus exquisitus has an extremely unpleasant taste. Therefore it is not naturally hunted for food by humans.
(Allen, 2000; Randall, 2000)
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Economic Importance for Humans: Positive
The Exquisite Wrasse is an extremely interesting fish for scientists to study because of its ability to change sex mid-life.
(Allen, 2000; Randall, 2000)
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Importance
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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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Wikipedia
Cirrhilabrus exquisitus
Cirrhilabrus exquisitus is a Wrasse from the Indo-Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 12 cm in length.
References
- Froese, Rainer, and Daniel Pauly, eds. (2008). "Cirrhilabrus exquisitus" in FishBase. December 2008 version.
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