Siganus rivulatus Forsskål, 1775

Marbled spinefoot

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Siganidae
Synonyms	Amphacanthus rivulata, Teuthis rivulata, Teuthis rivulatus, ... more
Common names	Poisson-lapin, Siguro, Surf parrotfish, ... more

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Image of Siganus rivulatus (Marbled spinefoot)

Picture by Randall, J.E.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Woodland, D.J. 1990. (Ref. 1419)
Other references | Biblio | Coordinator : Woodland, David J. | Collaborators

Size / Weight / Age

Max length : 27.0 cm TL male/unsexed; (Ref. 50671); common length : 20.0 cm TL male/unsexed; (Ref. 30573)

Environment

Reef-associated; brackish; marine; depth range ? - 30 m (Ref. 50672)

Climate / Range

Subtropical; 32°N - 35°S

Western Indian Ocean: several localities in East Africa, and from the Red Sea to the eastern Mediterranean via the Suez Canal.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 23. Upper body gray, green or brownish, silvery below; iris iridescent silver or golden. Body color patterns extend to the fins. Spines slender, pungent and venomous. Preopercular angle 88°-96°; cheeks scaled; midline of thorax, isthmus and midline of belly without scales. Frightened fish become mottled or with 6 diagonal zones across side. Tip of broad-based flap of anterior nostril reaching at least halfway to orifice of posterior nostril.

Inhabits shallow waters and generally in schools of 50 to several hundred individuals; prefers protected areas. Feeds by grazing on algae.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Venomous (Ref. 4537)

Human uses
Fisheries: minor commercial; aquaculture: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (tm=1-2)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (32 of 100)	High

Entered by Luna, Susan M.

Modified by Garilao, Cristina V.

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Page last modified by : elaxamana, 15 July 2009

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