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- Australian Faunal Directory
- FishBase
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Overview |
Main identification features
- white, 2 black saddles, 2 black bars
Snout long and pointed; 1 pair of small hole-like nostrils; back with crest between eyes and dorsal fin; gill opening short, before upper edge of pectoral fin; dorsal 9 rays; anal 9 rays; pectoral 16-17 rays.
Whitish; small brown spots on sides of body and head; blue lines extend to rear from eye; dark brown saddle immediately behind eye, 2 long brown bars on body, dark brown saddle on tail base; tail fin yellow, upper and lower edges black.
Size: 11 cm.
Habitat: reefs.
Depth: 1-55 m.
Indo-Pacific; vagrant in the Galapagos.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 55 m.
Depth Range Min: 1 m.
Diet: sessile molluscs; soft corals/hydroids; sessile crustacea; sessile worms; benthic microalgae; sponges/seasquirts/bryozoa; sea-stars/cucumbers/urchins.
Eastern Pacific Range: Northern limit=2; Southern limit=-2; Western limit=-93; Eastern limit=-90; Latitudinal range=4; Longitudinal range=3.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Omnivore.
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: 11 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; Bottom only;
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Names |
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Links to other sites |
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References |
- Bleeker,., 1853., Derde bijdrage tot de kennis der ichthyologische fauna van Amboina., Natuurkd. Tijdschr. Neder. Indië, 4:91-130.
- Grove , J.S. and Lavenberg, R. J., 1997., The fishes of the Galápagos islands., Stanford University Press:863 pp.
- Smith , M. M. and Heemstra, P., 1986., Smith's Sea Fishes. Johannesburg: Macmillan South Africa. 1047 pp., Macmillan South Africa:1047pp.
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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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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://biodiversity.org.au/afd/taxa/09248585-cca0-4b44-9311-acc7e45279e5 |
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Canthigaster&speciesname=valentini ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Canthigaster&speciesname=valentini http://192.134.151.83/Summary/speciesSummary.php?genusname=Canthigaster&speciesname=valentini ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Canthigaster&speciesname=valentini https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Canthigaster&speciesname=valentini ---> https://fishbase.mnhn.fr/summary/Canthigaster-valentini.html
Canthigaster valentini, Valentin's sharpnose puffer : aquarium
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Valentin's sharpnose puffer
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Canthigaster valentini
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Wilkie, M.
Teleostei (teleosts) >
Tetraodontiformes
(Puffers and filefishes) >
Tetraodontidae
(Puffers) > Canthigasterinae
Etymology:
Canthigaster:
Greek, kanthos = the outer or inner corner of the eye, where the lids meet, 1646 + Greek, gaster = stomach (Ref.
45335
)
;
valentini:
Presumably after Gabriel Gustav Valentin (P.Adamicka, pers.comm. 11/09).
.
More on author:
Bleeker
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 1 - 55 m (Ref.
1602
). Tropical; 32°N - 32°S
Indo-Pacific: Red Sea south to Durban, South Africa (Ref.
4919
) and east to the Tuamoto Islands, north to southern Japan, south to Lord Howe Island.
Length at first maturity / Size / Weight / Age
Maturity: L
m
4.6
, range 4 - 5.4 cm
Max length : 11.0 cm TL male/unsexed; (Ref.
4919
)
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 9;
Anal
spines
: 0;
Anal
soft rays
: 9. Side with two prominent dark bars extending to belly (Ref.
559
).
Found among coral heads and rocks of subtidal lagoon and seaward reefs (Ref.
4919
,
5503
). Common on coastal reefs at various depths. Mimic filefish, males are territorial and are often seen fighting (Ref.
48637
). Feed mainly on filamentous green and red algae, tunicates, and on smaller amounts of corals, bryozoans, polychaetes, echinoderms, mollusks, and brown and coralline red algae. Form shoals (10-100 or more) often with the filefish,
Paraluteres prionurus
(about 5% of shoal) mimicking
C. valentini
to protect it from predators (Ref.
4919
,
5503
). Territorial and haremic; males spawn with a different female each day (Ref.
9710
). One or more territories are occupied and defended each by a female where a single large male stands guard (Ref.
55082
). All sexually mature females are territorial females (Ref.
55082
). Demersal spawner (Ref.
35298
).
Oviparous (Ref.
205
). Social and mating systems of this species are based upon female territoriality where polygyny results from males defending females occupying a certain territory (female-defense polygyny) (Ref.
55082
). All sexually mature females are territorial females (Ref.
55082
). Neither parent guards the eggs which are laid in a nest located in the female's territory (Ref.
46142
). During breeding, territorial females perform the 'caudal flexing with swollen abdomen display' to signal courtship and readiness to spawn. The male acknowledges with no courtship or color displays but rather by visiting the sites frequently. The territorial female then begins pecking at the substrate in preparation for egg laying. The female initiates the spawning event by pressing her abdomen into the prepared site. The territorial male quickly lays his body across her caudal peduncle and both remained in this position for 5-10 sec. The male swims away after leaving the female beating her anal fin rapidly over the nest site to ensure fertilization of the eggs and to push the eggs deep into the algal substrate (Ref.
46142
). All territorial males spawn with territorial females, depriving the bachelor males of the chance to copulate which nevertheless don't interfere with the spawning between the territorial male and females (Ref.
46142
).
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:
08 June 2011
CITES
Not Evaluated
Not Evaluated
Threat to humans
Poisonous to eat (Ref.
4919
)
Human uses
Aquarium: commercial
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Zoological Record
Estimates based on models
Preferred temperature (Ref.
123201
): 24.6 - 28.9, mean 27.6 °C (based on 846 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03388 (0.01902 - 0.06038), b=2.85 (2.69 - 3.01), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 2.8 ±0.30 se; based on food items.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Fecundity = 400).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
Nutrients (Ref.
124155
): Calcium = 113 [51, 272] mg/100g; Iron = 1.05 [0.51, 2.51] mg/100g; Protein = 17.9 [15.7, 20.1] %; Omega3 = 0.13 [0.06, 0.26] g/100g; Selenium = 39.9 [18.9, 91.4] μg/100g; VitaminA = 47.6 [12.6, 189.6] μg/100g; Zinc = 1.85 [1.19, 2.80] mg/100g (wet weight);
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Updated: 2024-06-16 20:37:30 gmt
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