Actinopterygii (peixes com raios nas barbatanas) >
Perciformes (Perch-likes) >
Gerreidae (Mojarras)
Etymology: Gerres: Latin, gerres = a kind of anchovies; cited by Plinius. More on author: Günther.
Ambiente / Clima / Intervalo
Ecologia
; marinhas; estuarina bentopelágico; intervalo de profundidade ? - 60 m (Ref. 57394). Tropical, preferred 25°C (Ref. 107945); 18°N - 17°S, 29°W - 14°E
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 / Tamanho / Peso / Idade
Maturity: Lm 38.8, range 7 - ? cm
Max length : 20.0 cm TL macho/indeterminado; (Ref. 57394); common length : 15.0 cm TL macho/indeterminado; (Ref. 2683)
Espinhos dorsais (total): 9; Raios dorsais (total): 10; Espinhos anais 3; Raios anais : 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).
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
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Status na Lista Vermelha da IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Perigo para os humanos
Harmless
Uso pelos humanos
Pescarias: espécies comerciais
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