Actinopteri (ray-finned fishes) > Characiformes
(Characins) > Distichodontidae
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335); reidi: Named in honor of the collector of the specimens that served as the basis of the description, Dr. Gordon McGregor Reid, of the North of England Zoological Society, who first reported that these samples might represent an undescribed form (Ref. 54201).
More on authors: Vari & Ferraris.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.4 cm SL male/unsexed; (Ref. 81638)
Morphology | Morphometrics
soft rays: 8 - 10;
Vertebrae: 36 - 38. Diagnosis: 46-48 (Ref. 81638) or 47-49 (Ref. 54201) lateral line scales. 6-8 anal fin branched rays; tip of pelvic fin falling short of, or barely extending to rear of, vent; dark pigmentation on body in form of broad bars or with overall dark pigmentation; adipose fin pigmented to at least some degree; completely dark in some larger individuals (Ref. 81638).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Vari, R.P. and C.J. Ferraris Jr., 2004. A new species of Nannocharax (Characiformes: Distichodontidae) from Cameroon, with the description of contact organs and breeding tubercles in the genus. Proc. Biol. Soc. Wash. 117(4):551-563. (Ref. 54201)
IUCN Red List Status (Ref. 125652)
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=0.00380 (0.00147 - 0.00981), b=3.11 (2.89 - 3.33), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .