Can flounder cod and lobster live in the same tank with shrimp?

Flounder, cod, and lobster can potentially coexist in the same tank as shrimp, but it largely depends on the size of the tank and the species involved. Flounder and cod are predatory fish that may see shrimp as prey, while lobsters can also be aggressive and may harm shrimp. Careful monitoring and providing plenty of hiding spaces for the shrimp can help, but it's generally risky to house these species together. It's best to research specific species compatibility before mixing them in an aquarium.