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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
Ecologia
marino; salmastro demersale; distribuzione batimetrica ? - 40 m (Ref. 9626). Tropical; 30°N - 33°S, 97°W - 32°W
Western Atlantic: Lesser Antilles, Colombia to Brazil.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm TL maschio/sesso non determinato; (Ref. 9626); common length : 25.0 cm TL maschio/sesso non determinato; (Ref. 5217); peso massimo pubblicato: 800.00 g (Ref. 5217)
Spine dorsali (totale) : 13; Raggi dorsali molli (totale) : 12; Spine anali: 3; Raggi anali molli: 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 | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
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
Pesca: scarso interesse commerciale
Strumenti
Special reports
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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).
Trophic level (Ref.
69278): 3.5 ±0.50 se; based on food items.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (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);