Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch; pH range: 7.5 - ? ; dH range: 14 - ?. Tropical; 24°C - 28°C (Ref. 2059)
North and Central America: Central Mexico to northern Panama, in both Pacific and Caribbean slopes.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 29.4 cm SL mannelijk / geslacht onbekend; (Ref. 102977)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species has the following characters: pigmented body; functional eyes; dorsal fin base 10.2-13.4% of SL; origin of adipose fin posterior to the anus; maxillary barbels extend to a point between the pectoral-fin origin and that of the pelvic fin (Ref. 108688).
Body shape (shape guide): elongated; Cross section: oval.
Typical in highland brooks and in rivers or creeks of moderate to high current velocity, found between 35 and 1350 m elevation. Lives on sand and stone bottoms where it feeds on aquatic insects (Ref. 36880) and in caves (Ref. 27297).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36914)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00574 - 0.01823), b=3.02 (2.87 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.7 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |