Yes, tuna can eat crabs, but it depends on the species of tuna and the type of crabs. Pelagic crabs and soft-shelled crabs are more likely to be part of their diet because they are easier to catch and digest. However, crabs are not a primary food source but rather an occasional prey item when available. Understanding Tuna’s Diet Tuna are opportunistic predators, meaning they ... https://www.fireongrills.com/can-tuna-eat-crabs/