Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; sötvatten; brackvatten bottenlevande; amfidrom (Ref. 36739); djupintervall 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 / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.5 cm TL hane/ej könsbestämd; (Ref. 96592); common length : 15.0 cm TL hane/ej könsbestämd; (Ref. 9047)
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
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Chirichigno, N., 1980. Clave para identificar los peces marinos del Peru. IMARPE Informe (44). Instituto del Mar del Peru, Callao, Peru. (Ref. 12)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 20.8 - 28.5, mean 24.7 °C (based on 42 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00802 - 0.01977), b=3.15 (3.02 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.45 se; based on food items.
Generation time: 1.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (k >0.30).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).