Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; demersal; amphidromous (Ref. 36739); depth range 10 - 60 m (Ref. 91172), usually ? - 20 m (Ref. 9047). Tropical; 32°N - 18°S, 114°W - 79°W
Eastern Pacific: Baja California, Mexico to Puerto Pizarro, Peru.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.5 cm TL male/unsexed; (Ref. 96592); common length : 15.0 cm TL male/unsexed; (Ref. 9047); max. published weight: 197.90 g (Ref. 130775)
Short description
Identification keys | Morphology | Morphometrics
Common in coastal waters less than 20 m depth and enters coastal lagoons and fresh water (Ref. 9047). Feeds on crustaceans, small fishes, polychaetes, and occasionally detritus (Ref. 9047). Marketed fresh (Ref. 9047). Benthic species that inhabits coastal waters less than 20m deep. May enter estuaries and freshwater (Ref. 55763).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chirichigno F., N., 1980. Clave para identificar los peces marinos del Peru. Inf. Inst. Mar. Perú (44):. (Ref. 12)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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