Akysidae (stream catfishes) (3)
Amblycipitidae (torrent catfishes) (3)
Amphiliidae (loach catfishes) (5)
Anchariidae (2)
Ariidae (sea catfishes) (6)
Aspredinidae (banjo catfishes) (1)
Astroblepidae (Astroblepid catfish) (3)
Auchenipteridae (Driftwood catfish) (2)
Austroglanididae (1)
Bagridae (naked catfishes) (15)
Callichthyidae (callichthyid armored catfishes, mailed catfishes, and plated catfishes) (3)
Clariidae (airbreathing catfishes) (14)
Claroteidae (5)
Heptapteridae (14)
Ictaluridae (bullhead catfishes and North American freshwater catfishes) (7)
Loricariidae (armored catfishes and suckermouth armored catfishes) (48)
Mochokidae (naked catfishes, squeakers, and upside-down catfishes) (22)
Pangasiidae (giant catfishes) (3)
Pimelodidae (flat-hosed catfishes and long-whiskered catfishes) (6)
Plotosidae (eeltail catfishes) (3)
Pseudopimelodidae (1)
Schilbeidae (glass catfishes and schilbid catfishes) (3)
Siluridae (freshwater catfishes and sheatfishes) (10)
Sisoridae (sisorid catfishes and sucker catfishes) (14)
Trichomycteridae (parasitic catfishes and pencil catfishes) (27)

(...) = Species count