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Distichodus nefasch (Bonnaterre, 1788)

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drawing shows typical species in Distichodontidae.


Kenya country information

Common names: Gala, Golo, Gwolo
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Lake Turkana (Ref. 52331, Ref. 52871).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ke.html
National Fisheries Authority: http://www.recoscix.org/openscrn.htm
Occurrences: Occurrences Point map
Main Ref: Seegers, L., L. De Vos and D.O. Okeyo, 2003
National Database:

Common names from other countries

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
  More on author: Bonnaterre.

Issue
See explanation of name change from Distichodus niloticus (Hasselquist, 1762) in Eschmeyer (CofF ver. Oct. 2012: Ref. 92135) according to Fricke (2008: Ref. 83466).

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

; agua dulce pelágico.   Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Africa: Lake Albert (Ref. 4903, 49805), Lakes Turkana and No, Murchison Nile (Ref. 4903), White and Blue Nile, and the Chad basin where it is uncommon (Ref. 7094).

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 83.0 cm TL macho / no sexado; (Ref. 7094); peso máximo publicado: 6.2 kg (Ref. 7094)

Short description Claves de identificación | Morfología | Morfometría

Radios blandos dorsales (total) : 22 - 26; Radios blandos anales: 13 - 15. Diagnosis: depth of body 2.5-3.5 times in standard length, length of head 3 (in young fishes) to 5 times (in adults) (Ref. 4903). Snout not elongated (Ref. 28714), rounded (Ref. 4903), not or slightly projecting beyond the mouth (Ref. 4903, 28714). Maxilla extending to below the nostrils; upper surface of the head, and the operculum ridged with low, radiating striations (Ref. 4903). Teeth all small and bicuspidate (Ref. 28714), in two series, outer with 24-36 teeth (Ref. 4903). Dorsal fin with 22-26 rays, the first 3-6 unbranched (Ref. 4903). Adipose fin covered with small scales (Ref. 4903, 28714), small, its basal length about 2-4 times its distance from the posterior margin of the dorsal fin (Ref. 28714). Anal fin with 13-15 rays, the first 3-4 unbranched; caudal fin forked, its rounded lobes almost entirely scaled; lateral line with 90-110 scales (Ref. 4903). 18-21 scales between lateral line and dorsal-fin origin (Ref. 4903, 28714). 15-18 scales between insertion of pelvic fin and lateral line (Ref. 4903). Large robust fish as adults (Ref. 28714). Coloration: purplish-silver above, silver below; young fishes with several vertical dark bars on the flank (Ref. 4903).

Biología     Glosario (por ej. epibenthic)

In Lake Albert found in the shallow inshore waters, especially in the region of deltas; also in rivers (Ref. 4903). Macro-herbivore, feeds on submerged water plants (Ref. 4903, 28714), Eichornia roots and periphyton (Ref. 28714), but also molluscs and small Crustacea (Ref. 4903). Oviparous (Ref. 205).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Oviparous (Ref. 205). Distinct pairing occurs (Ref. 205). Males lingering near the nesting site deemed as the closest thing to parental care (Ref. 205).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)

IUCN Red List Status (Ref. 130435)

  Vulnerable, ver lista roja de la UICN (VU) (A2bcd+3cd); Date assessed: 12 April 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Trophic ecology
componentes alimenticios
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Despredadores
Ecology
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Length-weight rel.
Length-length rel.
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  2.0   ±0.00 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100).