Tunisia country information

Common names: [No common name]
Occurrence: introduced
Salinity: marine
Abundance: common (usually seen) | Ref: Golani, D., L. Orsi Relini, E. Massutí and J.-P. Quignard, 2002
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: A Lessepsian migrant.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ts.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Woodland, D.J., 1990
National Database:

Common names from other countries

Squaretail rabbitfish, Poisson-lapin à queue tronquée, Hall küülikkala, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Siganidae (Rabbitfishes)
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).
More on author: Rüppell.

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

seewasser riff-verbunden; tiefenbereich 2 - 40 m (Ref. 12382). Subtropical; 35°N - 35°S

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

Western Indian Ocean: Persian Gulf (Ref.80050); Red Sea and East Africa to islands in the western Indian Ocean. Immigrant to Mediterranean via the Suez Canal.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 14.2 range ? - ? cm
Max length : 30.0 cm TL Männchen/unbestimmt; (Ref. 30573); common length : 20.0 cm TL Männchen/unbestimmt; (Ref. 30573)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 13 - 14; Rückenflossenweichstrahlen (insgesamt) : 10; Afterflossenstacheln: 7; Afterflossenweichstrahlen: 9; Wirbelzahl: 13. Regional variation in color exists. Anterior spines of median fins slender and pungent, posterior spines stout, all venomous including that on the nape. Preopercular angle 87-97 degrees. Anterior nostril with a long, broad flap covering posterior nostril when depressed. Variable cheek scalation. Midline of thorax devoid of scales between the pelvic ridges.

Found in small schools in very shallow water close to the bottom. Prefer hard bottoms of compacted sand with rock or coral debris. Solitary adults and groups of 3 or 4 adults have also been observed. Feed on a wide range of benthic algae. May suddenly stop and erect its fins (dorsal, anal and pelvic) presenting an encircling array of spines to potential predators; these spines are venomous. A food fish that is occasionally poisonous (Ref. 4537). Probably does not adapt well in captivity (Ref. 12382). A thermophilic species (Ref. 120766). Minimum depth from Ref. 9710.

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

The larvae maintain themselves near the water surface (Ref. 1419). Feeding on phytoplankton and zooplankton begins 3 days after hatching (Ref. 1419).

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. 130435)

nicht bedroht (LC) ; Date assessed: 19 July 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Venomous (Ref. 1419)

Nutzung durch Menschen

Fischereien: weniger kommerziell

FAO(Publication : search) | FishSource | Sea Around Us

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Trophic ecology
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Ecology
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Population dynamics
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Toxicities (LC50s)

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Estimates based on models

Preferred temperature (Ref. 115969): 24.8 - 29.2, mean 27 (based on 294 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01259 (0.01013 - 0.01564), b=2.97 (2.92 - 3.02), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 2.0 ±0.0 se; based on diet studies.

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.3).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (39 of 100).

Preiskategorie (Ref. 80766): High.

Siganus luridus (Rüppell, 1829)