Most seafood is fine to eat in moderation, however some types of seafood are very high in purines and should be moderated or avoided to support healthy uric acid balance.
For other types of meats see:
Seafoods in this section contain on average 50-150mg of purines per 100g and should be moderated
Oysters
Mussels
Shrimp
Prawns
Squid
Crab
Seafoods in this section contain on average over 150mg of purines per 100g and should be avoided
Scallops