Where are you Catfish?!

Dear Creators!
Explain me please.

This catfish is not so rarest fish .It has just one recipe and probably not so good when roasted and dried.
What is the sense to add a fish that you never can catch or you can but more harder then was in old world to catch jelly?
Explain me please.

This catfish is not so rarest fish .It has just one recipe and probably not so good when roasted and dried.
What is the sense to add a fish that you never can catch or you can but more harder then was in old world to catch jelly?