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Abwe, E. et al (2) Rob Palmer (1)

Description: Dorsal spines (total): 0; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 8 - 10. Diagnosis: Amphilius frieli is diagnosed from all other species of the Amphilius jacksonii complex by having more gill rakers on the first gill arch, 10-11, rarely 9 or 12 vs. 6-9, rarely 5 or 10 (Ref. 103388). It is further diagnosed from A. jacksonii by its deeper caudal peduncle, caudal peduncle depth 9.7-11.4% of standard length vs. 4.8-7.9%, shorter caudal peduncle, caudal peduncle 14.4-16.4% of standard length vs. 16.7-20.6%, and less slender body, body depth at anus 13.9-14.9% of standard length vs. 9.6-13.2%; it is further diagnosed from A. ruziziensis by having more branchiostegal rays, 8-9 vs. 6-7, a deeper caudal peduncle, caudal peduncle depth 9.7-11.4% of standard length vs. 8.6-9.5%, shorter caudal peduncle, caudal peduncle 14.4-16.4% of standard length vs. 18.7-20.3%, and less slender body depth, body depth at anus 13.9-14.9% of standard length vs. 11.1-12.9%; it is further diagnosed from A. pedunculus, A. crassus, and A. lujani by its narrower interorbital width, 25.1-27.7% of head length vs. 28.1-35.8%, and from A. crassus by having more branchiostegal rays, 8-9 vs. 6-8, more branched pectoral-fin rays, 9-10 vs. 7-9, and a shorter dorsal-fin insertion to adipose-fin insertion length, 37.5-41.2% of standard length vs. 42.2-44.6%; it is further diagnosed from A. lujani by its deeper caudal peduncle, caudal peduncle depth 9.7-11.4% of standard length vs. 8.1-9.5%, and shorter caudal peduncle, caudal peduncle 14.4-16.4% of standard length vs. 16.8-20.9%. Aquarium Care: Can be kept in aquaria with a small grained gravel or sand substrate, and well planted with a slight current to facilitate their natural habitat. Provide rockwork and caves. This genera prefer cooler temperatures in the aquarium. Diet: Mosquito larvae, Tubifex, Cyclops, Daphnia, grindal worms, vegetable food, tablet and flake. Etymology: Named for John P. Friel in recognition of his excellent contributions to the study of African fishes.

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Amphiliidae

Africa: Upper Congo River basin upstream of Kabalp [=Kabalo?] in Democratic Republic of Congo and Zambia, including Lufira River drainage and Luapula River drainage.

13.5cm. (5¼ins)

18-22°c (63-71°f.)

6.5-7.5.

Abwe, E.; Snoeks, J.; Manda, B.K.; Mutambala, P.K.; Kalumba, L.N.; Bragança, P.H.N.; Kipanga, K.; Mulelenu, C.M.; Kayaba, M.K.I.; Manda, A.C.; Vreven, E.J.W.M.N. Checklist of the Fishes of the Kundelungu National Park (Upper Congo Basin, DR Congo): Species Diversity and Endemicity of a Poorly Known Ichthyofauna. Diversity 2023, 15, 259.
Froese, R. and D. Pauly. Editors. 2022. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 08/2022 ).
Thomson, A.W., L.M. Page and S.A. Hilber, 2015. Revision of the Amphilius jacksonii complex (Siluriformes: Amphiliidae), with the descriptions of five new species. Zootaxa 3986(1):61-87.