Environment: milieu / climate zone / intervalo de profundidade / distribution range
Ecologia
; Água doce; estuarina bentopelágico; pH range: 7.0 - 7.5; dH range: 20 - 30; não migratória. 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.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 11.0 cm SL macho/indeterminado; (Ref. 30499); common length : 4.0 cm TL macho/indeterminado; (Ref. 12193)
Occurs 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).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-1)
Ameaça para o homem
Potential pest (Ref. 1982)
Utilização humana
Pescarias: sem interesse; Aquário: Espécies comerciais; isco: occasionally
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
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=0.01047 (0.00643 - 0.01705), b=3.11 (2.98 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 2.0 ±0.00 se; based on food items.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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