Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
; zoet water; brak water benthopelagisch. Tropical; 23°C - 34°C (Ref. 36880)
North, Central and South America: northern Florida, USA southward through the Greater and Lesser Antilles to Trinidad and Tobago, and from Tamaulipas, Mexico southward to Caracas, Venezuela; central Baja California Sur and Sonora, Mexico southward to Tumbes, Peru.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 30.0 cm SL mannelijk / geslacht onbekend; (Ref. 30499); 24.4 cm SL (female)
Dorsale stekels (totaal) : 7 - 8; Dorsale zachte stralen (totaal) : 10 - 12; Anale stekels: 1; Anale zachte stralen: 9 - 11.
Body shape (shape guide): elongated.
Inhabits clear streams and rivers over sand and gravel, but also found in turbid waters with muddy bottoms. Prefers clear flowing, well oxygenated streams. Feeds mainly on filamentous algae (Ref. 13444).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Watson, R.E., 1996. Revision of the subgenus Awaous (Chonophorus) (Teleostei: Gobiidae). Ichthyol. Explor. Freshwat. 7(1):1-18. (Ref. 13444)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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=0.00871 (0.00451 - 0.01683), b=3.12 (2.96 - 3.28), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.0 ±0.00 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
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