Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Cyprinidae
(Minnows or carps) > Torinae
Etymology: nthuwa: The specific name nthuwa is the vernacular name used for this species in the vicinity of the town of Rumphi.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Africa: South Rukuru River, Malawi (Ref. 75045).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.6 cm SL male/unsexed; (Ref. 75045)
Morphology | Morphometrics
Diagnosis: scales parallel-striated; last unbranched dorsal-fin ray heavily ossified and unserrated; 5 unbranched dorsal rays in total; 30-33 lateral line scales (Ref. 75045).
Occurs in rocky, fast flowing stretches with some deeper pools (Ref. 75045).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tweddle, D. and P.H. Skelton, 2008. New species of Barbus and Labeobarbus (Teleostei: Cyprinidae) from the South Rukuru River, Malawi, Africa. Smithiana Bulletin 8:25-39. (Ref. 75045)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00430 - 0.02123), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (40 of 100) .