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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins) > Goodeinae
Etymology: Xenotoca: Greek, xenos = strange + Greek, tokos, oy = birth (Ref. 45335).
Eponymy: Dr Gustav Eisen (1847–1940) was a Swedish-born American polymath with a particular interest in marine invertebrates and earthworms (a genus of the latter, Eisenia, being named after him). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / intervalo de profundidade / distribution range
Ecologia
; Água doce demersal; pH range: 6.0 - 8.0; dH range: 9 - 19. Temperate; 15°C - 32°C (Ref. 2060)
Central America: Mexico.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 6.0 cm TL macho/indeterminado; (Ref. 2060); 7.0 cm TL (female)
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Females can get young every 60 days.
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-1)
Ameaçada (EN) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 14 March 2018
Ameaça para o homem
Harmless
Utilização humana
Pescarias: espécies comerciais; Aquário: Espécies comerciais
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec=10).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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