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Siluriformes (Catfishes) >
Auchenoglanididae (Flatnose catfishes)
Etymology: Notoglanidium: Greek, noton = back + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish; diminutive (Ref. 45335); walkeri: Named in honour of R.B.N. Walker, collector of the type specimens (Ref. 94168).
Eponymy: Robert Bruce Napoleon ‘Brucie’ Walker FRGS, FAS, FGS, CMZS (1832–1901) was a West African trader, explorer, anthropologist and natural history and ethnography collector. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Africa: Ibi River in Ghana (Ref. 57126, 94168), and Agnébi River in Ivory Coast (Ref. 57126, 94168).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 57126)
Dorsal soft rays (total): 11 - 15; Anal spines: 0; Anal soft rays: 11 - 12; Vertebrae: 39 - 40. Diagnosis: Notoglanidium walkeri differs from other species in the genus in having: an average interorbital distance, 27.8-33.3% of head length vs. smaller in N. boutchangai, N. depierrei, N. pallidum and N. pembetadi, and larger in N. maculatum and N. thomasi; a relatively small combined premaxillary tooth plate width, 13.7-16.1% of head length vs. larger in N. akiri, N. boutchangai, N. macrostoma and N. pembetadi; and a relatively large number of soft dorsal-fin rays, 11-15 vs. less in N. akiri, N. boutchangai, N. depierrei and N. macrostoma, and more in N. maculatum (Ref. 94168).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Geerinckx, T., E. Vreven, M. Dierick, L.V. Hoorebeke and D. Adriaens, 2013. Revision of Notoglanidium and related genera (Siluriformes: Claroteidae) based on morphology and osteology. Zootaxa 3691(1):165-191. (Ref. 94168)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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