Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt gần đáy; pH range: 7.0 - 7.5; dH range: ? - 20. Tropical; 22°C - 28°C (Ref. 2059); 21°N - 19°N
North America: Rio Lerma basin, Rio Grande de Santiago, Nayarit, Mexico.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm TL con đực/không giới tính; (Ref. 2059); 6.0 cm TL (female)
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Lyons, J., G. González-Hernandéz, E. Soto-Galera and M. Guzmán-Arroyo, 1998. Decline of freshwater fishes and fisheries in selected drainages of west-central Mexico. Fisheries 23(4):10-18. (Ref. 27639)
IUCN Red List Status (Ref. 130435)
Endangered (EN) (A2ac; B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 07 March 2018
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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).
Mức dinh dưỡng (Ref.
69278): 2.1 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).