Actinopterygii (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Aplocheilidae
Etymology: Pachypanchax: Greek, pachys = fat + Panchax, a word created by Meinken in 1932 word created by Meinken in 1932. More on author: Duméril.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; non-migratory. Tropical; 22°C - 28°C (Ref. 2059)
Africa: western and northern Madagascar and adjacent islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.5 cm TL male/unsexed; (Ref. 27139)
Occurs in brooks and small rivers, mostly in quiet parts (Ref. 3788). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139); prefers aquaria with rocks, plants and driftwood (Ref. 6398).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Huber, J.H., 1996. Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p. (Ref. 27139)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5079 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .