Banded Jawfish, Opistognathus macrognathus are smaller than banded jawfish, but still have relatively large head for their body. Like other jawfish, they burry in the sand and, therefore, require a deep sand or rubble bottom to the aquarium. Also, because they can move the gravel from under rock structures, unsettling them, it’s important to have fairly stable structures in the aquarium to prevent them or other aquarium inhabitants from being crushed. Banded jawfish get along well with other fish and invertebrates in the aquarium. Also, they are not picky eaters, so they are excellent beginner fish. However, for an aquarist looking for a challenge, Banded jawfish can spawn in the aquarium. They are mouth brooders, so eggs will be visible in the males mouth.