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Eupercaria/misc (Various families in series Eupercaria) >
Gerreidae (Mojarras)
Etymology: Eugerres: Greek, eu = good, well + Latin, gerres = a kind of anchovies; cited by Plinius.
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; zoet water; brak water demersaal. Subtropical; 35°N - 33°S, 99°W - 34°W
Western Atlantic: South Carolina to western Florida, USA (Ref. 26938) and the entire Gulf of Mexico to Brazil; absent from Bahamas and smaller islands in West Indies.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 22.0, range 18 - ? cm
Max length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 3722); common length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 3722); max. gepubliceerd gewicht: 1.0 kg (Ref. 4699)
Inhabits shallow coastal waters and common in brackish waters (Ref. 36880), mostly over mud bottoms in mangrove-lined creeks and lagoons (Ref. 3722); often entering a considerable distance into freshwaters (Ref. 36880). Feeds on aquatic insects, crustaceans, micro-bivalves and detritus (Ref. 36880). Marketed fresh; processed into fishmeal (Ref. 3722).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Randall, J.E. and R. Vergara R., 1978. Gerreidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. Western Central Atlantic (Fishing Area 31). Vol. 2. pag.var. (Ref. 3722)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; sportvis: ja
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 24.4 - 28, mean 26.9 °C (based on 270 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.01088 - 0.02010), b=3.03 (2.98 - 3.08), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.2 ±0.0 se; based on diet studies.
Generation time: 3.4 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.17-0.32).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
Nutrients (Ref.
124155): Calcium = 99.4 [46.7, 185.7] mg/100g; Iron = 1.06 [0.48, 2.18] mg/100g; Protein = 18.6 [16.5, 20.6] %; Omega3 = 0.233 [0.119, 0.434] g/100g; Selenium = 22.9 [10.8, 50.9] μg/100g; VitaminA = 5.92 [1.52, 20.98] μg/100g; Zinc = 1.03 [0.66, 1.63] mg/100g (wet weight);