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Lucania parva (Baird & Girard, 1855) Rainwater killifish |
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photo by
Terceira, A.C. |
| Family: | Fundulidae (Topminnows and killifishes) | |||
| Max. size: | 6.2 cm TL (male/unsexed) | |||
| Environment: | pelagic-neritic; freshwater; brackish; marine; depth range 0 - 2 m, amphidromous | |||
| Distribution: | Western Atlantic: Massachusetts and northern Gulf of Mexico to Florida Keys in USA and northeastern Mexico. Ascends Rio Grande and Pecos River in Texas and New Mexico in USA (Ref. 5723). | |||
| Diagnosis: | Dorsal soft rays (total): 11-12 | |||
| Biology: | Inhabits vegetated quiet water and usually swims several inches below surface of water. 7 cm max TL (Ref. 5723). Feeds on larval crustaceans (mainly cyclopoid and harpacticoid copepods), mosquito larvae, small worms, and mollusks (Ref. 79012). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 09 January 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||