Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal, usually ? - 25 m (Ref. 9118). Tropical; 14°N -
Eastern Pacific: El Salvador to Peru.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL Männchen/unbestimmt; (Ref. 9118); common length : 14.0 cm TL Männchen/unbestimmt; (Ref. 55763)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Body moderately elongate and compressed; snout prominent; mouth small and sub-terminal; chin with 4 pores but without barbels; edge of preopercle with 2 strong spines at the angle; lower branch of first gill arch with 18 to 24 gill rakers; second dorsal fin long, with 22 to 26 soft rays; body silvery yellowish without any major distinctive markings; back speckled; fins dark or pale; pelvic fins yellowish; roof of mouth black (Ref. 55763).
Found over muddy and sandy bottoms (Ref. 9118). Feeds mainly on planktonic crustaceans, also worms and other benthic invertebrates (Ref. 9118). Common in local markets (Ref. 9118).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00464 - 0.01359), b=3.07 (2.93 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.32 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).