Fundulus grandis Baird & Girard, 1853
Gulf killifish
Fundulus grandis
photo by Howell, W.M./Jenkins, R.L.

Family:  Fundulidae (Topminnows and killifishes)
Max. size:  18 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; brackish; pH range: 8.94999980926514; dH range: 17, potamodromous
Distribution:  Western Atlantic: northeastern Florida to Key West in USA and northern Gulf of Mexico to Cuba.
Diagnosis:  Dorsal soft rays (total): 11-12; Anal soft rays: 10-12. Small pearly spots on side (Ref. 26938).
Biology:  Prefers grassy bays, canals and nearby fresh water, avoiding tidal flats. Also found in marginal fresh waters. 18 cm max TL (Ref. 7251). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). Feeds on small crustaceans and other invertebrates (Ref. 26938).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 February 2019 Ref. (130435)
Threat to humans:  harmless


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