Is it useful to addArius graeffei would be the one according to fishbase, although the US also uses this name for Chrysichthys brachynema and Arius leptaspis.
There's also "Lesser" and "Giant" Salmon Catfish. The lesser can be A. graeffei, or Arius berneyi. Giant is Arius thalassinus.
Finally, there's small-mouthed salmon catfish: Cinetodus froggatti.
Salmon catfish with links to A. graeffei, C. brachynema and A. leptaspis.
Lesser salmon catfish with links to A. graeffei and A. berneyi.
Giant salmon catfish with link to A. thalassinus
Small-mouthed salmon catfish with link to Cinetodus froggatti
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Mats