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Characiformes (Characins) >
Distichodontidae (Distichodus)
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
Écologie
; eau douce pélagique. Tropical
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 6.4 cm SL mâle / non sexé; (Ref. 81638)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 10 - 12; Épines anales: 0; Rayons mous anaux: 8 - 10; Vertèbres: 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
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00147 - 0.00981), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).