Is basa fish permissible to eat?
بِسْمِ اللهِ الرَّحْمنِ الرَّحِيْم
In the name of Allah, the Most Gracious, the Most Merciful
The basa fish is a type of catfish. (https://youngsseafood.co.uk/species/basa/)
According to the Hanafi school, the only seafood that is halal is Samak (everything from the fish family).
The catfish also belong to the fish family; therefore, it would be permissible to eat catfish such as basa fish.
Only Allah knows best
Written by Maulana Selim Saldiran
Checked and approved by Mufti Mohammed Tosir Miah
Darul Ifta Birmingham
 Radd al-Muhtar, Dar al-Fikr, 6/306