Fundulus olivaceus (Storer, 1845)
Blackspotted topminnow
photo by Thomas, C.

Family:  Fundulidae (Topminnows and killifishes)
Max. size:  8 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  North America: Mississippi River basins from eastern Tennessee, western Kentucky, southern Illinois and central Missouri south to Gulf of Mexico (west to central Oklahoma) in the USA; Gulf Slope drainages from Chattahoochee River in Georgia to Galveston Bay in Texas, USA.
Biology:  Inhabits near surface of quiet to flowing water, usually near margins of clear, sandy to gravelly headwaters, creeks and small rivers. 9.7 cm max TL (Ref. 5723). Feeds on terrestrial arthropods, aquatic insects, small crustaceans, and diatoms (Ref. 10294). Spawning occurs over gravel (Ref. 79012). Not a seasonal killifish. Is easy to maintain in the aquarium (Ref. 27139).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 February 2012 Ref. (126983)
Threat to humans:  harmless

Source and more info: For personal, classroom, and other internal use only. Not for publication.