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> Characiformes (Characins) > Citharinidae (Lutefishes)
Etymology: Citharidium: Latin, cithara = lire like instrument, diminutive (Ref. 45335).
More on author: Boulenger.

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

; acqua dolce demersale. Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Africa: found only in the Niger basin in Nigeria (Ref. 2938, 7095, 81281). Maps in Ref. 2938, 81281, Ref. 31256 and Ref. 51193 also mention presence in Bénué basin. Species has also been reported from Chad basin in Cameroon (Ref. 51193).

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 58.6 cm SL maschio/sesso non determinato; (Ref. 2938); peso massimo pubblicato: 9.1 kg (Ref. 7095)

Short description Chiavi di identificazione | Morfologia | Morfometria

Raggi dorsali molli (totale) : 17 - 19; Raggi anali molli: 19 - 22. Diagnosis: snout longer than eye diameter; body depth 1.7-2.2x and head length 2.8-3.3x SL; caudal peduncle 0.8-0.9x long than deep; scale formula 12.5/46-51/14.5-16.5; 12.5 scales between lateral line and pelvic-fin base; characterized by ctenoid scales; scales without denticulations on posterior margin, but with parallel ridges prolonged as spines beyond posterior margin; short pectorals, half of head length; pelvic fins longer than pectorals, provided with scaly process at their bases; 17-19 dorsal fin branched rays; 19-22 anal fin branched rays (Ref. 2938, 81281).

Maximum TL was recorded at 69.7 cm (Ref. 7095).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Gosse, J.-P., 1990. Citharinidae. p. 261-268. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren and O.R.S.T.O.M., Paris, 384 p. (Ref. 2938)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 06 May 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01585 (0.00617 - 0.04070), b=2.96 (2.74 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.1 ±0.1 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (49 of 100).

Citharidium ansorgii Boulenger, 1902