Petrocephalus degeniPetrocephalus degeni is a species of electric fish in the family Mormyridae, found in Africa, in both the Katonga River and Lake Victoria.SizeThis species reaches a length of.EtymologyThe fish is named in honor of Swiss ornithologist Edward Degen, who "utilized his leisure" time while serving as an assistant to Prof. Edward Alfred Minchin in Uganda and collected the holotype specimen.