Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Fundulidae
(Topminnows and killifishes)
Etymology: Leptolucania: Greek, leptos = thin + Lucania, an Italian region, near Tarento (Ref. 45335). More on author: Jordan.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic; non-migratory. Subtropical; 18°C - 24°C (Ref. 2059); 32°N - 28°N
North America: occurs only in the USA from Georgia in Ogeechee River to Alabama in Perdido River, south to central Florida. One record from Escatawpa River drainage in southeastern Mississippi.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm TL male/unsexed; (Ref. 27139); common length : 2.0 cm TL male/unsexed; (Ref. 12193); max. reported age: 2 years (Ref. 12193)
Inhabits surface waters of swamps, vegetated sloughs, and quiet water areas of creeks and small rivers. 2.9 cm max TL (Ref. 5723). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00250 - 0.01453), b=3.08 (2.87 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (tmax=2).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .