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Gerres nigri  Günther, 1859

Guinean striped mojarra
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Gerres nigri
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Gerreidae (Mojarras)
Etymology: Gerres: Latin, gerres = a kind of anchovies; cited by Plinius.   More on author: Günther.

Environment / Climate / Range Ecology

Marine; brackish; benthopelagic; depth range ? - 60 m (Ref. 57394).   Tropical, preferred 25°C (Ref. 107945); 18°N - 17°S, 29°W - 14°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: west African coast, from Guinea to Congo (Ref. 57394). Also reported from Senegal (Ref. 4323, 28587, 33587), Gambia (Ref. 5476), Guinea-Bissau (Ref. 26999) and as far south as Angola (Ref. 3166).

Length at first maturity / Size / Weight / Age

Maturity: Lm 38.8, range 7 - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 57394); common length : 15.0 cm TL male/unsexed; (Ref. 2683)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8. Diagnosis: body oblong and compressed; snout pointed, shorter than eye diameter; mouth strongly protrusible; nostrils contiguous, situated at midpoint between eye and snout tip; dorsal fin deeply notched; pectoral fins long, reaching to, or extending beyond anal-fin origin; large cycloid scales; scales of the interocular space not reaching anterior border of eyes; spinous part of dorsal fin greyish, without a black spot at tip (Ref. 57394). Coloration: back olivaceous-brown, sides silvery, with longitudinal dark bands; young individuals with narrow, dark vertical bars on sides; spinous part of dorsal fin distally greyish, but without a distinct black spot at tip; juveniles with 2 longitudinal series of dark spots on dorsal fin (Ref. 57394).

Biology     Glossary (e.g. epibenthic)

Occurs on littoral mud and sand bottoms to about 60 m depth (Ref. 57394). Often enters estuaries and coastal lagoons (Ref. 7375) during reproduction (Ref. 57394). Feeds on fish, shrimps, mollusks, plankton and detritus (Ref. 28587).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Woodland, David J. | Collaborators

Roux, C., 1986. Gerridae. p. 325-326. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4323)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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