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Chrysichthys walkeri Günther, 1899

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No image available for this species;
drawing shows typical species in Claroteidae.


Senegal country information

Common names: [No common name]
Occurrence: questionable
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Reported from the Casamance (Ref. 33587), but not confirmed in Ref. 7324 or 57126; probably a misidentification.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sg.html
National Fisheries Authority: http://www.refer.sn/sngal_ct/eco/oeps/
Occurrences: Occurrences Point map
Main Ref: Pandaré, D., S. Niang, H. Diadhiou and B. Capdeville, 1997
National Database:

Common names from other countries

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Chrysichthys: Greek, chrysos = golden + Greek, ichthys = fish (Ref. 45335).
  More on author: Günther.

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

; süßwasser demersal.   Tropical; 20°C - 25°C (Ref. 2059); 5°N - 3°N

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Africa: endemic to the Pra basin in Ghana; other reports from West Africa unconfirmed (Ref. 7324, 57126). Identifications of C. walkeri in Lower Guinea appear to be misidentifications of mature male of C. auratus, or of C. aluuensis or C. thysi (Ref. 81642).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 11.5 cm SL Männchen/unbestimmt; (Ref. 57126)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 2; Rückenflossenweichstrahlen (insgesamt) : 6; Afterflossenstacheln: 0. Diagnosis: nasal barbell long, reaching to anterior margin of orbit; first branched dorsal-fin ray longest, but never filamentous; adipose fin long, its base longer than that of dorsal fin; 9 branched rays in pectoral fin; 12-13(15) gill rakers on lower limb of first gill arch (Ref. 57126).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Risch, L.M., 2003. Claroteidae. p. 60-96 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57126)

IUCN Rote Liste Status (Ref. 130435)

  gefährdet, siehe IUCN Red List (VU) (B1ab(iii)); Date assessed: 14 January 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

Fischereien: ; Aquarium: Kommerziell
FAO(Publication : search) | FishSource |

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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 (0.00579 - 0.01726), b=3.02 (2.87 - 3.17), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.40 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=0.72).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Preiskategorie (Ref. 80766):   Unknown.