On a large piece of baking paper mix together paprika, cayenne pepper, black pepper, onion powder, thyme, basil, garlic powder and oregano.
In a small saucepan over medium heat melt butter with oil. Brush both sides of the snapper fillets with the butter mixture reserve the remaining butter mixture. Coat both sides of the fillets with the seasoning mixture.
Heat a large heavy frypan over high heat until a drop of water sizzles on it. Drizzle half of the remaining butter oil mixture on one side of fish fillets.
Place fillets butter side down in the frypan. Cook over a high heat until the fish is deeply browned; about 5 minutes.
Drizzle remaining butter mixture over the fish and flip the fish over. Cook until fish is browned and flakes when tested with a fork; about 5 minutes more. Season to taste with salt.