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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
Ekologi
; sötvatten; brackvatten bentopelagisk; pH range: 7.0 - 8.0; dH range: 9 - 19; ej vandrande. 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 / Size / Vikt / Age
Maturity: Lm 1.1, range 1 - 1.4 cm
Max length : 3.6 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 2.1 cm TL hane/ej könsbestämd; (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
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
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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).
Trofisk nivå (Ref.
69278): 2.7 ±0.22 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (tm = 0.13; tmax = 0.33; Batch Fec = 1-7;).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).