Actinopterygii (ray-finned fishes) >
Clupeiformes (Herrings) >
Clupeidae (Herrings, shads, sardines, menhadens) > Dorosomatinae
Etymology: Congothrissa: Latin, conger = conger + Greek, thrissa, -es = shad (Ref. 45335). More on author: Poll.
Environment / Climate / Range
Ecology
Freshwater; pelagic. Tropical, preferred ?; 7°N - 2°S
Africa: middle Congo River basin, in the area around Kisangani (Democratic Republic of the Congo) and in the Ubangui River at Bangui and upstream (Central African Republic)(Ref. 188, 93833).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL male/unsexed; (Ref. 188)
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 14-16;
Anal
spines: 0;
Anal
soft rays: 15 - 17. Diagnosis: Small, fairly slender fishes, depth around 22-24% of standard length (Ref. 188). Belly rounded, smooth, no trace of scutes before or behind pelvic fins; pelvic scute itself present, however, the tips of its lateral arms bifurcated (Ref. 188). Jaws about equal, with fine teeth; no second supra-maxilla; lower gillrakers 10 to 12 (Ref. 188). Congothrissa gossei occurs with other clupeid species, but the smoothly rounded belly, absence of spiny post-pelvic scutes and lack of a second supra-maxilla makes it unmistakable (Ref. 188).
A riverine species apparently found in the main stream Of the Congo River (Ref. 188). It feeds on small shrimps, mosquito larvae and chironomid larvae (Ref. 188).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeioidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: subsistence fisheries
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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