Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Fundulidae (Topminnows and killifishes)
Etymology: Fundulus: Latin, fundus = bottom; a peculiar name for a topminnow, coined for a bottom species of Atlantic coast being "the abode of the fundulus mudfish" (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; non-migratory. Temperate; 33°N - 32°N
North America: Tallapoosa River system in Georgia and Alabama, USA; and Sofkahatchee Creek (lower Coosa River system) in Alabama.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 5723)
Inhabits margins, pools and backwaters of creeks and small to medium rivers. Most commonly found in shallow sandy backwaters of clean rocky creeks. 12 cm max TL (Ref. 5723). Not a seasonal killifish (Ref. 27139).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cashner, R.C., J.S. Rogers and J.M. Grady, 1988. Fundulus bifax, a new species of the subgenus Xenisma from the Tallapoosa and Coosa river systems of Alabama and Georgia. Copeia 1988(3):674-683. (Ref. 26858)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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