Lined topminnow (Fundulus lineolatus)

Scientific name: Fundulus lineolatus Agassiz, 1854

The Lined topminnow (Fundulus lineolatus) is a freshwater fish of the family Fundulidae. In the aquarium it needs water at 18–24°C (64–75°F).

Lined topminnow care at a glance

Occurs in swamps and other vegetated standing water bodies, and quiet pools and backwaters of streams.

Source: FishBase, licensed CC BY-NC 4.0.

Scientific name: Fundulus lineolatus
Family: Fundulidae (Topminnows and killifishes)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 8.4
Common length: 4.3
Environment: Freshwater;; pH range: 6.8 - 7.5 benthopelagic; non-migratory
Climate: Subtropical
Distribution: North America: Atlantic and Gulf Coastal Plain in the USA from southern Virginia to Ocklockonee River drainage in Georgia and Florida, south in Florida to Lake Okeechobee.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026