Eugerres mexicanus (Steindachner, 1863)
photo by Valdez Zenil, J.

Family:  Gerreidae (Mojarras)
Max. size:  24.2 cm SL (male/unsexed); max.weight: 347.0 g
Environment:  demersal; freshwater; pH range: 8
Distribution:  Central America: Atlantic slope of southern Mexico and northern Guatemala.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 10-10; Anal spines: 3-3; Anal soft rays: 8-8
Biology:  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).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 March 2007 Ref. (130435)
Threat to humans:  harmless


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