Do smelts have worms?
Consequently, is it safe to eat a fish with worms?
But there should be caution in consuming raw fish because some species of fish can contain these harmful worms. Eating raw, lightly cured, or insufficiently cooked infected fish can transfer the live worms to humans. Adequate freezing or cooking fish will kill any parasites that may be present.
Beside this, is it safe to eat bass with worms?
Mature tapeworm makes the bass unappealing for food even though the eating quality of the fish is not affected and there is no human danger if the fillets are cooked thoroughly.
It is quite likely that it does contain them, yes. Overall, 84% of the gills examined harboured metazoan parasites. So it sounds entirely believable that there are parasites in most cans of tuna, and if you eat enough of them, your chance of never eating a cooked parasite goes against zero.