Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas; Água doce; estuarina demersal; intervalo de profundidade 1 - 16 m (Ref. 36453). Tropical; 7°N - 29°S, 55°W - 30°W
Western Atlantic: Suriname to Brazil.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 20.5 cm TL macho/indeterminado; (Ref. 102462); common length : 12.0 cm TL macho/indeterminado; (Ref. 5217); peso máx. Publicado: 177.96 g (Ref. 102462)
Descrição breve
Morfologia | Morfometria
Espinhos dorsais (total): 0; Raios dorsais moles (total): 55-60; Espinhos anais 0; Raios anais moles: 40 - 44. Pectorals either vestigial or reduced to 1-2 rudimentary rays (Ref. 36453).
Found more abundantly on shallow soft bottoms of brackish estuaries or hypersaline lagoons. Enters freshwaters at least to an elevation of 10 m. Inhabits rivers and creeks and probably feeds on aquatic insects and crustaceans (Ref. 36880).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez, 1992. Fichas FAO de identificación de especies para los fines de la pesca. Guía de campo de las especies comerciales marinas y de aquas salobres de la costa septentrional de Sur América. FAO, Rome. 513 p. Preparado con el financiamento de la Comisión de Comunidades Europeas y de NORAD. (Ref. 5217)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
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