Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce; salobre bentopelágico; pH range: 7.0 - 7.5; dH range: 20 - 30. Tropical; 22°C - 28°C (Ref. 12468); 19°N - 14°N
North and Central America: Rio San Juan, Mexico to Guatemala. At least one country reports adverse ecological impact after introduction.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 11.0 cm SL macho / no sexado; (Ref. 30499); common length : 4.0 cm TL macho / no sexado; (Ref. 12193)
Adults occur in warm springs and their effluents, canals and weedy ditches, and stream pools (Ref. 5723). Food is mainly detritus (Ref. 36880). Some populations in caves (Ref. 27297). Migratory behaviour is undetermined (Ref. 126106).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
28 days after fertilization female gives birth to 30-80 young. Sexual maturity is reached after 7-12 months (Ref. 2060).
Proudlove, G.S., 1997. A synopsis of the hypogean fishes of the world. p. 351-354. In Proceedings of the 12th International Congress of Speleology, La Chaux de Fonds, Switzerland. vol. 3. (Ref. 27297)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Potential pest (Ref. 1982)
Usos humanos
Pesquerías: sin interés; Acuario: Comercial; carnada: occasionally
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00646 - 0.01697), b=3.11 (2.98 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Referencia
69278): 2.0 ±0.00 se; based on food items.
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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