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Eupercaria/misc (Various families in series Eupercaria) >
Haemulidae (Grunts) > Plectorhinchinae
Etymology: Genyatremus: Greek, geny, -yos = face, jaw + Greek, trema, = aperture (Ref. 45335).
More on author: Bloch.
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino; salobre demersal; rango de profundidad ? - 40 m (Ref. 9626). Tropical; 30°N - 33°S, 97°W - 32°W
Western Atlantic: Lesser Antilles, Colombia to Brazil.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm TL macho / no sexado; (Ref. 9626); common length : 25.0 cm TL macho / no sexado; (Ref. 5217); peso máximo publicado: 800.00 g (Ref. 5217)
Espinas dorsales (total) : 13; Radios blandos dorsales (total) : 12; Espinas anales: 3; Radios blandos anales: 11.
Mainly found in brackish estuaries and adjacent areas, over sandy or muddy bottoms. Sometimes caught in marine waters. Feeds on crustaceans (Ref. 3798). Marketed fresh (Ref. 3798).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Distinct pairing during breeding (Ref. 205).
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: escaso valor comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 28, mean 26.7 °C (based on 330 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.01068 - 0.02961), b=2.96 (2.82 - 3.10), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Ref.
69278): 3.5 ±0.50 se; based on food items.
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Prior r = 0.55, 95% CL = 0.36 - 0.83, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
Nutrients (Ref.
124155): Calcium = 124 [33, 256] mg/100g; Iron = 1.01 [0.54, 2.01] mg/100g; Protein = 18.3 [16.4, 20.3] %; Omega3 = 0.18 [0.08, 0.35] g/100g; Selenium = 46.5 [23.6, 91.3] μg/100g; VitaminA = 14.5 [5.5, 37.1] μg/100g; Zinc = 1.2 [0.8, 1.8] mg/100g (wet weight);