Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Tropical
Central and South America: Mexico and the Antilles to Brazil in the Atlantic drainage.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL mannelijk / geslacht onbekend; (Ref. 36880)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 50 - 55; Anale stekels: 0; Anale zachte stralen: 70 - 74. Remarks: gray with white blotches, deep body, snout not projecting, convex nape continuing the profile of the body.
May swim upstream to an elevation of 60 m and a straight line distance of some 20 km from the coast. Found in rivers and creeks. Feed on crustaceans.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Distinct pairing (Ref. 205).
Bussing, W.A., 1998. Peces de las aguas continentales de Costa Rica [Freshwater fishes of Costa Rica]. 2nd Ed. San José Costa Rica: Editorial de la Universidad de Costa Rica. 468 p. (Ref. 36880)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00325 - 0.01693), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.50 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).