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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Heterandria: Greek, heteros = other + Greek, andros = male (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce; salobre bentopelágico; pH range: 7.0 - 8.0; dH range: 9 - 19; no migratorio. Tropical; 20°C - 26°C (Ref. 1672); 35°N - 25°N
North America: occurs only in the USA from Cape Fear River drainage in North Carolina to southern Louisiana.
Length at first maturity / Tamaño / Peso / Age
Maturity: Lm 1.1, range 1 - 1.4 cm
Max length : 3.6 cm TL macho / no sexado; (Ref. 5723); common length : 2.1 cm TL macho / no sexado; (Ref. 12193)
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. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: comercial; Acuario: Comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00517 - 0.01933), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Ref.
69278): 2.7 ±0.22 se; based on food items.
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (tm = 0.13; tmax = 0.33; Batch Fec = 1-7;).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).