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- Australian Faunal Directory
- FishBase
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Overview |
Main identification features
- head: no horn, blue stripe and spots
- body - grey + blue spots and bars
- c: long filaments
- tail base: 2 keels
Vlaming's unicornfish Vlaming's bignose unicornfish
Body elongate, oval; snout short, with prominent hump just below eye; teeth small, conical, with tips slightly depressed, smooth or with slight denticulations; tail straight to slightly rounded, with long filament from each corner; dorsal VI, 26-27, fin elevated; anal II, 27-29; pectoral 17-19 rays; 2 plates on each side of narrow tail base, each with knife-like, forward pointed keel.
Yellow-brown, with irregular thin blue bars along flank, and small blue spots above and below bars and on head; broad blue band before eye; lips blue; dorsal and anal yellow-brown with thin blue margins; tail dark, yellow rear border, filaments blue; can change color to overall brilliant blue; juveniles brown with scattered small dark spots.
Size: 60 cm.
Habitat: rocky and coral reefs; juveniles benthic on sheltered habitats and rubble slopes; adults in midwater near exposed reef fronts.
Depth: 1-50 m; juveniles usually 5-15 m; adults usually 10-25 m.
An Indo-Pacific species; recorded as a vagrant from the Galapagos Islands.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 50 m.
Depth Range Min: 1 m.
Diet: pelagic fish larvae; benthic microalgae; zooplankton; benthic macroalgae.
Eastern Pacific Range: Northern limit=2; Southern limit=-2; Western limit=-93; Eastern limit=-90; Latitudinal range=4; Longitudinal range=3.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Herbivore; Planktivore.
FishBase Habitat: Reef Associated.
Global Endemism: All Pacific (West + Central + East); Indo-Pacific only (Indian + Pacific Oceans); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Corals; Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 60 cm.
Regional Endemism: Island (s) only; Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; All species.
Residency: Vagrant.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Mid Water; Near Bottom; Near Surface; Bottom + water column;
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Names | |
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Links to other sites | |
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References |
- Cuvier , G. and Valenciennes, A., 1835., Histoire naturelle des poissons. Tome dixième. Suite du livre neuvième. Scombéroïdes. Livre dixième. De la famille des Teuthyes. Livre onzième. De la famille des Taenioïdes. Livre douzième. Des Athérines., Histoire Naturelle Des Poissons, 10:1-482.
- McCosker , J.E. and Humann, P.H., 1996., New records of Galápagos fishes., Charles Darwin Foundation, Noticias de Galápagos., 56:18-26.
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Acknowledgements | |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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Following modified from Australian Faunal Directory
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| &pull 20q v5.145 20180528: Error 301 Moved Permanently http://biodiversity.org.au/afd/taxa/67018b07-b917-4101-a695-f6ded5f04d8b/ |
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Following modified from FishBase
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Top | See original
http://www.fishbase.org/Summary/speciesSummary.php?genusname=Naso&speciesname=vlamingii ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Naso&speciesname=vlamingii
http://192.134.151.83/Summary/speciesSummary.php?genusname=Naso&speciesname=vlamingii ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Naso&speciesname=vlamingii
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Naso&speciesname=vlamingii ---> https://fishbase.mnhn.fr/summary/Naso-vlamingii.html
Naso vlamingii, Bignose unicornfish : fisheries, aquarium
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Teleostei (teleosts) >
Acanthuriformes
(Surgeonfishes) >
Acanthuridae
(Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology:
Naso:
Latin, nasus = nose (Ref.
45335
)
.
More on author:
Valenciennes
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 1 - 50 m (Ref.
9710
), usually 1 - 50 m (Ref.
27115
). Tropical; 24°C - 28°C (Ref.
27115
); 30°N - 30°S, 30°E - 89°W
Indo-pan-Pacific: East Africa to the Galapagos Is. north to southern Japan, south to the southern Great Barrier Reef and New Caledonia, Tuamotus, throughout Micronesia
Size / Weight / Age
Maturity: L
m
?
range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref.
3145
)
Dorsal
spines
(total): 6;
Dorsal
soft rays
(total): 26-27;
Anal
spines
: 3;
Anal
soft rays
: 27 - 29. Adults develop a convexly rounded prominent snout and unusually tall dorsal and anal fins. Side of body with vertical blue lines which break up into small blue spots dorsally and ventrally. A broad blue band extending from eye to front of rostral protuberance (Ref 9808).
Occurs in deep lagoon and seaward reefs. Found forming loose schools along upper regions of deep drop-offs (Ref.
48637
). Forms mid-water aggregations off steep slopes during the day to feed on zooplankton. Usually found alone or in pairs. Omnivorous. Has the ability to show or hide its blue markings (Ref.
9710
). Minimum depth reported taken from Ref. 27115.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
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Fecundity
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Larvae
Myers, R.F.
, 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref.
1602
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
06 May 2010
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; aquarium: commercial
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Zoological Record
Estimates based on models
Preferred temperature (Ref.
123201
): 25.5 - 29, mean 27.6 °C (based on 684 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02630 (0.01537 - 0.04500), b=3.01 (2.86 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 2.2 ±0.11 se; based on food items.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (K=0.264; Tmax=45).
Fishing Vulnerability (Ref.
59153
): Moderate vulnerability (38 of 100).
Price category (Ref.
80766
):
Medium
.
Nutrients (Ref.
124155
): Calcium = 34.7 [21.4, 64.1] mg/100g; Iron = 0.542 [0.278, 0.926] mg/100g; Protein = 18.7 [17.6, 19.8] %; Omega3 = 0.121 [0.078, 0.223] g/100g; Selenium = 38.2 [20.7, 66.3] μg/100g; VitaminA = 47.4 [15.4, 143.7] μg/100g; Zinc = 1.36 [0.95, 1.93] mg/100g (wet weight);
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Updated: 2024-06-16 00:43:02 gmt
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