Dusky farmerfish (Stegastes nigricans)

Scientific name: Stegastes nigricans Lacep?de, 1802

Dusky farmerfish (Stegastes nigricans)

The Dusky farmerfish (Stegastes nigricans) is a marine fish of the family Pomacentridae.

Biology

Dorsal spines (total): 12; Dorsal soft rays (total): 15-17; Anal spines: 2; Anal soft rays: 12 - 14. Adults generally brown; dorsal part of head and nape darker, grading to tan on lower part of head and breast. The scales have darker brown margins. The lips are whitish lips; the suborbital is mostly blue; the preopercle and opercle scales with blue centers. The median and pelvic fins are brown; the pectorals are dusky; a well-defined dark brown or blackish spot is sometimes present at base of posteriormost dorsal rays, which distinguishes it from S. lividus where the spot is diffuse. Males in courtship or guarding eggs with broad white bar across middle of body and pale blue stripe from mouth to upper part of pectoral fin.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Stegastes nigricans
Family
Pomacentridae (Damselfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
14.0
Common length
9.0
Depth range
1–12 m (3–39 ft)
Environment
Marine; reef-associated; non-migratory; depth range 1 - 12 m
Climate
Tropical
Distribution
Indo-Pacific: Red Sea and East Africa to the Line, Marquesan, and Tuamoto islands, north to the Ryukyu and Bonin islands, south to New Caledonia and Tonga; throughout Micronesia. Excluding the Hawaiian Islands.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Traumatogenic
Uses
Fisheries: minor commercial; aquarium: public aquariums
Resilience
High, minimum population doubling time less than 15 months (K=0.5-1.1)

More clownfish & damselfish

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Sources

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

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