Dinosaur Bichir, also known as Polypterus senegalus, is a unique and fascinating species of fish that can make an interesting addition to any aquarium. But it's important to understand what other species they can live with before deciding if this is the right choice for your tank. Dinosaur Bichirs are peaceful but territorial fish, so they should not be kept in tanks with aggressive or large predatory fish like Oscars and Arowanas. They prefer tanks with plenty of hiding spots such as rocks, caves, driftwood or aquatic plants where they feel secure enough to come out and explore their surroundings. Other compatible tank mates include smaller catfish species like Corydoras or Synodontis cats; similarly sized Tetras (such as Congo Tetra), Danios and Rasboras; larger Barbs (like Tinfoil Barb); some loaches (like Clown Loach); African Dwarf Frogs; snails; crayfish; and shrimp. While these are all generally safe choices for a Dinosaur Bichir tank mate, always remember that there could still be personality conflicts between different individuals within the same species!