Amphilius atesuensis Boulenger, 1904
Amphilius atesuensis
photo by Mody, K.

Family:  Amphiliidae (Loach catfishes), subfamily: Amphiliinae
Max. size:  9.3 cm SL (male/unsexed)
Environment:  demersal; freshwater; pH range: 6.5 - 7.69999980926514; dH range: 10 - 20
Distribution:  Africa: St. John River in Liberia to the Mono River in Togo (Ref. 57128). Also recorded from the upper Lofa (Guinea), Cross (Nigeria) and Baoulé (upper Niger basin, Mali)(Ref. 57128). Report from Sewa River in Guinea (Ref. 3818, 13331) unconfirmed in Ref. 57128.
Diagnosis:  Dorsal spines (total): -0; Dorsal soft rays (total): 7; Anal spines: -0; Anal soft rays: 7-9. Diagnosis: head short; eyes in dorsal position, at about midpoint of head length; barbels long and slender, extending beyond hind margin of head; branchiostegal membrane deeply notched; predorsal distance (=distance from head to dorsal fin) over 20% of standard length; dorsal-fin base above, or slightly ahead of pelvic-fin insertions; fins rounded, their principal simple ray shorter than the adjacent branched rays; a long urogenital papilla in males, its length over 5% of standard length; caudal peduncle short and deep; caudal fin slightly forked (Ref. 57128). Description: 6+7 principal caudal fin rays (Ref. 57128) Coloration: characteristic colour pattern of large brown or black blotches and 4-5 paler cross-bars on back; lower sides mottled, belly light; black cross-bar on distal half of dorsal-fin rays; other fins clear; tips of caudal-fin lobes black; black band before eyes, not always visible (Ref. 57127).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 30 April 2019 Ref. (130435)
Threat to humans:  harmless
Country info:  Known from the upper Comoé and Volta basins (Ref. 57128).


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