What sustainable fish should anglers be striving to catch, and the tackle needed?

Well, in the US there are Asian carp and snakeheads that are both invasive species that are sort of jacking up the ecosystems a bit. I'm not sure about tackle or bait, as I don't think either of those fish have made it to Texas. epa.gov/greatlakes/invasive/asiancarp/ht....

Most species of angler harvested fish are "sustainable". That is the job of fisheries managers, to make sure fish populations sustain themselves. That said, there are so many types of fish and fisheries that it is a hard question to answer.

Freshwater/saltwater/river/lakes/streams/and ponds all are different. Perhaps the most "sustainable are panfish such as sunfish, perch, and crappie. All that is needed is a light weight rod and reel, some hooks and bobbers and some small worms.

Panfish creel limits are usually generous, as panfish are capable of overpopulating. That's a short answer to a question that could fill a book.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.