Fundulus julisia Williams & Etnier, 1982 Barrens topminnow |
photo by
Welsh, D.P. |
Family: | Fundulidae (Topminnows and killifishes) | |||
Max. size: | 7 cm TL (male/unsexed) | |||
Environment: | benthopelagic; freshwater, non-migratory | |||
Distribution: | North America: upper Caney Fork (Cumberland River drainage) and upper Duck River (Tennessee River drainage) systems in central Tennessee, USA. | |||
Diagnosis: | ||||
Biology: | Occur in vegetated pools and margins of springs and spring-fed headwaters and creeks (Ref 5723, 10294). 9.4 cm TL (Ref. 5723). Juveniles feed primarily on microcrustacea and midges; adults consume amphipods and isopods, small mayflies, terrestrial insects, and snails (Ref. 10294). Not a seasonal killifish (Ref. 27139). | |||
IUCN Red List Status: | Endangered (EN); Date assessed: 01 February 2012 (B1ab(iii,v)+2ab(iii,v)) Ref. (130435) | |||
Threat to humans: | harmless |