Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Nothobranchiidae
Etymology: Aphyosemion: Greek, aphye, -es, sardine, anchovy + Greek, semeion = mark, signal (Ref. 45335). More on author: Myers.
Environment / Climate / Range
Freshwater; benthopelagic. Tropical, preferred ?
Africa: right bank of the Congo River in Republic of Congo and Democratic Republic of the Congo (Ref. 86918), including Pool Malebo, the Alima, Aruwimi and Tshopo rivers (Ref. 86918). Reports from the Tshuapa, Lomela and Salonga questionable, possibly representing a new species (Ref. 86918).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL male/unsexed; (Ref. 87850)
Morphology | Morphometrics
This species can be separated from its congeners by the red band in the anal fin and by the very dark red border on the dorsal and caudal fins (Ref. 87849). The body is blue colored with no more than 50 red points (Ref. 87849).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
van der Zee, J.R. and J.H. Huber, 2006. Zur Identität von Aphyosemion christyi (Boulenger, 1915), Aphyosemion schoutedeni (Boulenger, 1920), und Aphyosemion castaneum Myers, 1924. (Pisces, Cyprinodontiformes, Aplocheilidae). DKG-J. 38(5):131-142. (Ref. 87849)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00431 - 0.02666), b=2.93 (2.72 - 3.14), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .