Siganus canaliculatus, White-spotted spinefoot : fisheries, aquaculture

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Siganus canaliculatus (Park, 1797)

White-spotted spinefoot
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Siganus canaliculatus   AquaMaps   Data sources: GBIF OBIS
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Image of Siganus canaliculatus (White-spotted spinefoot)
Siganus canaliculatus
Picture by Greenfield, J.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Perciformes (Perch-likes) > Siganidae (Rabbitfishes)
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ökologie

; seewasser; brackwasser riff-verbunden; ozeanodrom (Ref. 51243); tiefenbereich 1 - 50 m (Ref. 9813).   Tropical; 30°N - 35°S, 49°E - 174°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Indo-West Pacific: Persian Gulf, Gulf of Oman, Pakistan, India, Sri Lanka, Burma, Thailand, Singapore, Malaysia, Indonesia, Papua New Guinea, Philippines, Cambodia, Viet Nam, south China, Taiwan and Western Australia. Also known from Ryukyu Islands; Palau and Yap in Micronesia (Ref. 1602) and Melanesia (Ref. 712).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 11.6, range 12 - ? cm
Max length : 40.0 cm TL Männchen/unbestimmt; (Ref. 108696); common length : 20.0 cm TL Männchen/unbestimmt; (Ref. 9813)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 13; Rückenflossenweichstrahlen (insgesamt): 10; Afterflossenstacheln 7; Afterflossenweichstrahlen: 9; Wirbelzahl: 23. This species is distinguished by the following characters: body compressed, moderately slender, its depth 2.3-2.8 in SL; last anal-fin spine 1.2-1.5 times in longest anal-fin spine (usually the third); soft parts of dorsal and anal fins low, longest dorsal-fin ray 0.7-1 times in longest dorsal-fin spine; caudal fin almost emarginate in specimens under 10 cm standard length, forked in larger fish; 16-26 (rarely 27) scale rows between lateral line and bases of leading dorsal-fin spines. Colour of body highly variable, greenish grey to yellow brown with numerous (100-200) pearly blue to whitish spots on nape and trunk, match-head size on lower sides; 2-3 rows between first spine of dorsal fin and lateral line (area of eye would cover about 6 spots in this region), and about 10 rows between highest point of lateral line and base of first anal-fin spine; when frightened or injured, sides mottled light and dark brown and cream, creating 6 or 7 regularly spaced, dark diagonal zones with paler zones of similar width between them; dark eye-sized spot usually just behind upper end of gill opening, and a narrow bar along upper edge of gill cover (Ref. 9813, 90102).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Adults inhabit inshore, algae reefs, estuaries and in large lagoons with algae-rubble habitats. Mainly common on rocky substrates (Ref. 48637). In contrast to S. fuscescens, this species seems to tolerate more turbid waters, occurring within the vicinity of river mouths especially around seagrass beds. Adults also occur several kilometers offshore in deep, clear waters. Juveniles form very large schools in shallow bays and coral reef flats; school size reduces with size, with adults occurring in groups of 20 individuals or so. Herbivorous, feed on benthic algae and to some extent on seagrass. Fished by trawling and seine netting; bycatch in traps set in deep water and marketed fresh in very large numbers (Ref. 9813). Consumed as food; and have poisonous spines (Ref. 4537).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Multiple spawner (Ref. 1753). Larger fish may spawn more than once in a spawning season (Ref. 1753). Spawn in group (Ref. 240).

Hauptreferenz Upload your references | Referenzen | Koordinator : Woodland, David J. | Partner

Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)

IUCN Rote Liste Status (Ref. 120744)

  nicht bedroht (LC) ; Date assessed: 10 March 2015

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Venomous (Ref. 4537)





Nutzung durch Menschen

Fischereien: kommerziell; Aquakultur: kommerziell
FAO(Aquakultur: production; ; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 24.7 - 29.1, mean 28.3 (based on 1218 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.01234 - 0.01944), b=2.97 (2.92 - 3.02), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  2.8   ±0.31 se; Based on food items.
Generation time: 0.6 (0.4 - 1.2) years. Estimated as median LN(3)/K based on 14 growth studies.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=1.5-2.0; tm=1; tmax=7.8).
Verwundbarkeit (Ref. 59153):  Low vulnerability (18 of 100) .
Preiskategorie (Ref. 80766):   High.