Dusky spinefoot (Siganus luridus)

Scientific name: Siganus luridus R?ppell, 1829

Dusky spinefoot (Siganus luridus)

The Dusky spinefoot (Siganus luridus) is a marine fish of the family Siganidae. Native range: Western Indian Ocean, Red Sea and East Africa to islands in the western Indian Ocean. Immigrant to Mediterranean via the Suez Canal.

Biology

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 spined to potential predators; these spines are venomous. A food fish that is occasionally poisonous. Probably does not adapt well in captivity. Minimum depth from.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Siganus luridus
Family
Siganidae (Rabbitfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
30.0
Common length
20.0
Depth range
2–40 m (7–131 ft)
Environment
Marine; reef-associated; depth range 2 - 40 m
Climate
Subtropical
Distribution
Western Indian Ocean: Red Sea and East Africa to islands in the western Indian Ocean. Immigrant to Mediterranean via the Suez Canal.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Venomous
Uses
Fisheries: minor commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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