Did you check

is Tilapia?

https://www.fishbase.se/summary/Oreochromis-niloticus.html

looks like "natural / wild" Tilapia, as I saw them in several pools/rivers (gueltas) in Sahara.

It looks like Tilapia...

Please see the attached links. Compare other morphological features with reported Tilapia sp.

https://www.fishbase.in/Summary/SpeciesSummary.php?ID=1387&AT=tilapia

https://www.fishbase.in/ComNames/CommonNameSearchList.php

http://www.fao.org/fi/website/MultiQueryAction.do?

It is look like Oreochromis niloticus Linnaeus, 1785

you will check with

https://www.fishbase.se/summary/Oreochromis-niloticus.html

It looks like Nile tilapia

Hmm! Most responses point to Nile tilapia (O. Nilotcus).

I deeply appreciate all your contributions.

Intially, I was doubting that, because of the absence of clear stripe pattern on the caudal fin. Thank you all.

yes, look like tilapia.