Teleostei (teleosts) >
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: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 8.0 - ?. Tropical
Central America: Atlantic slope of southern Mexico and northern Guatemala.
Length at first maturity / Size / Weight / Age
Maturity: Lm 20.5  range ? - ? cm
Max length : 24.2 cm SL male/unsexed; (Ref. 93806); max. published weight: 347.00 g (Ref. 93806)
A tropical, demersal species confined to freshwater environment unlike other congeners (Ref. 33568). Collected from below surface in channel with sandy-slime bottom (pH 8.0, conductivity 478 µÊS/cm, dissolved solids 242 mg/l, dissolved oxygen 6.9 mg/l, and 26°C) using a 90 cm seine net. Food fish (Ref. 93806).
Deckert, G.D. and D.W. Greenfield, 1987. A review of the western Atlantic species of the genera Diapterus and Eugerres (Pisces: Gerreidae). Copeia 1987(1):182-194. (Ref. 33568)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
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Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01380 (0.00875 - 0.02178), b=3.09 (2.96 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |
Price category (Ref. 80766) |
Medium.
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