Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Poeciliidae
(Poeciliids) > Poeciliinae
Etymology: Heterandria: Greek, heteros = other + Greek, andros = male (Ref. 45335). More on author: Girard.
Environment / Climate / Range
Freshwater; brackish; benthopelagic; pH range: 7.0 - 8.0; dH range: 9 - 19; non-migratory. Tropical; 20°C - 26°C (Ref. 1672); 35°N - 25°N
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 1 - 1.4 cm
Max length : 3.6 cm TL male/unsexed; (Ref. 5723); common length : 2.1 cm TL male/unsexed; (Ref. 12193)
North America: occurs only in the USA from Cape Fear River drainage in North Carolina to southern Louisiana.
Adults inhabit heavily vegetated standing to slow-flowing fresh and brackish water. They feed on worms, crustaceans and plant matter (Ref. 7020). A truly viviparous fish (Ref. 45952).
A truly viviparous fish, embryo derives nearly all of its nourishment from the mother (Ref. 45952).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00364 - 0.01988), b=3.15 (2.96 - 3.34), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.7 ±0.22 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (tm = 0.13; tmax = 0.33; Batch Fec = 1-7;).
Vulnerability (Ref. 59153
): Low vulnerability (12 of 100) .