Polyacanthonotus is a genus of spiny eels, with these currently recognized species: Polyacanthonotus africanus (Gilchrist & von Bonde, 1924) Polyacanthonotus challengeri (Vaillant, 1888) (longnose tapirfish) Polyacanthonotus merretti Sulak, R. E. Crabtree & Hureau, 1984 (Bahamas spiny eel) Polyacanthonotus rissoanus (De Filippi & Vérany, 1857) (smallmouth spiny eel)
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