What is difference between iridescent shark and pangasius which we use for eating purpose?

[Aniket]

They both are catfish but are those same or different sub species?

 

[Colin_T]

There are a couple of different species and all get used as food fish.

 

[Aniket]

There are a couple of different species and all get used as food fish.

I was expecting big answer from you hehe