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> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

; स्वच्छ जल, अलवण जल पिलाजिक. Tropical; 23°C - 26°C (Ref. 12468)

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Africa: found in the area comprised between the Oshun River in Nigeria and the Cross River in Cameroon (Ref. 2936, 81638, 86396).

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.9 cm SL पुल्लिंग / अलिंग; (Ref. 2936)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण) : 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 12 - 14; गुदा कांटा: 0; ऐनल सौफट रेज़: 13 - 15. Diagnosis: 40-42 (Ref. 2936, 86396) or 39-43 (Ref. 81638) lateral line scales. Snout and anal fin long; head length 3.1-3.5x SL; 11-12 scales around caudal peduncle; 1 or 2 scales between anus and anal-fin origin; pectoral with total of 10-12 branched rays; pelvic with total of 9-10 branched rays; pectoral fins not reaching to pelvic fin bases; dorsal-fin origin distinctly ahead of pelvic-fin insertions (Ref. 2936, 86396). Head and body with dark band along mid-lateral surface from snout to at least rear of caudal peduncle (Ref. 81638). Mid-lateral band on body broad, with scale-centres light, and ending posteriorly in a rounded blotch that extends partly unto caudal-fin base (Ref. 2936, 86396). 12-13 (Ref. 81638) or 12-14 (Ref. 2936, 86396) total dorsal fin rays. 15 (Ref. 81638) or 13-15 (Ref. 2936, 86936) total anal fin rays.

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 28 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

अधिक जानकारी

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इंटरनेट स्रोत

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Nannocharax latifasciatus Coenen & Teugels, 1989