I have a pair of Danco pliers that live in my center console and never get rinsed off that seem to be holding up well that were very affordable.
A little too large for me to want to keep on a belt though.
Boone angled needle nose pliers. Only about 15 bucks. They work great on big and small fish alike, don't flex, and you won't hate yourself if you drop them over the side. Really work great on getting out hooks deep in the mouth.
I have had a old set of bass pro pliers i got as a gift. have had them for 5 years with no issues. I wash them after every trip. But if i were to buy a new pair i would go Danco for the price and quality.
Ive been using the Mustad, pliers from wallyworld, or the KVD pliers which i believe are also a mustad product. Been using them for three years in fresh and saltwater and i do not take care of them... little to no corrosion