Keys Marine Direct has a robust selection of grouper for sale for your aquarium! Groupers are a family of large, predatory fish often sought after by aquarium enthusiasts. They are known for their powerful build and distinctive personalities. With a variety of colors and patterns, they can be visually captivating additions to a saltwater aquarium. However, due to their size and predatory nature, groupers require spacious tanks with appropriate hiding spots and tank mates that won’t be seen as food. Their intriguing behavior and impressive presence make them a fascinating but challenging choice for experienced aquarium keepers.