Diapterus brevirostris (Sauvage, 1879)
photo by BĂ©arez, P.

Family:  Gerreidae (Mojarras)
Max. size:  38 cm TL (male/unsexed)
Environment:  demersal; brackish; marine
Distribution:  Eastern Pacific, tropical, western coast of Baja California (Bahia Magdalena), including Gulf of California, south to nothern Peru.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 10-10; Anal spines: 3-3; Anal soft rays: 8-8. Distinguished by having serrated posterior and inferior margins of preopercular bones; smooth preorbital (lachrymal); sometimes with fine serrations on jugal (infraorbital ); pointed or pinniform pharyngeal teeth; rudder-shaped urohyal bone (Ref. 75986).
Biology:  Occurs in bays, estuaries, and coastal lagoons bordered by mangroves, over sandy or muddy bottoms; usually enters continental waters. Carnivorous, based on reported consumption of benthic organisms of copepods, ostracods, foraminifera, sponges, polychaetes, and molluscs, fishes, and aquatic vegetation (Ref. 75986).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless

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