Actinopteri (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Goodeidae
(Splitfins) > Goodeinae
Etymology: Allotoca: Greek, allos = other + Greek, tokos = birth (Ref. 45335). The transliterated Latin terminal part of the compound name ('tocus') was changed to 'toca', thus the genus is feminine (Ref. 35111). More on author: Meek.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; demersal; pH range: 6.8 - 7.4; dH range: 5 - 10. Tropical; 22°C - 27°C (Ref. 26130); 21°N - 19°N
Central America: endemic to the Lerma River basin, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 26130); 12.0 cm (female)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Viviparous. Gestation lasts for about 55 days. Produces 10 to 50 young.
Wischnath, L., 1993. Atlas of livebearers of the world. T.F.H. Publications, Inc., United States of America. 336 p. (Ref. 26130)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00468 - 0.03088), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.8 ±0.32 se; based on food items.
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .