Goliath groupers eat crustaceans, other fish, octopodes, young sea turtles, sharks, and barracudas. They are known to attack divers, and have even been seen attacking large lemon sharks.How healthy is grouper fish?
Grouper comes in numerous varieties, colors and sizes. Like most fish, grouper contains large amounts of protein, minimal amounts of saturated fat and no sugar. Unlike fatty cold-water fish, grouper does not supply large amounts of healthy omega-3 fatty acids.