Actinopterygii (ray-finned fishes) >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Danioninae
Etymology: Opsaridium: Greek, opsarion, -ou = a little portion fish (Ref. 45335).
Environment / Climate / Range
Ecology
Freshwater; benthopelagic. Tropical, preferred ?
Africa: widespread in coastal basins from Cameroon to the Republic of Congo (Ref. 81639). Also in upper tributaries of Lake Chad and Benue River systems (Ref. 51193). Present in the middle (Ref. 26673, 41590, 41594, 45434, 45441, 46861) and upper (Ref. 27609, 45434, 93587) Congo River basin, in the Lukuga up to the Lukuga-Niemba confluence (Ref. 93587).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 2801)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 10-12;
Anal
spines: 0;
Anal
soft rays: 14 - 17. Diagnosis: 7.0-8.5 scales between lateral line and dorsal fin origin; 39-44 scales in lateral line; 3-5.5 scales between lateral line and mid-belly; 2 scales between lateral line and pelvic fin base; 14-16 circumpeduncular scales; 8-12 dark, vertical bars on sides; dorsal fin darkly pigmentated between the rays (Ref. 81639).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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