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Fundulus julisia Williams & Etnier, 1982 Barrens topminnow |
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photo by
Welsh, D.P. |
| Family: | Fundulidae (Topminnows and killifishes) | |||
| Max. size: | 7 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | North America: upper Caney Fork (Cumberland River drainage) and upper Duck River (Tennessee River drainage) systems in central Tennessee, USA. | |||
| Diagnosis: | ||||
| Biology: | Adults 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). Migratory behaviour is undetermined (Ref. 126106). 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 | |||