The Luther's Watchman Goby is tan with red spots covering both the head and dorsal fin. The rest of the body is mottled in black spots giving the fish a camouflage appearance. It has the ability to form symbiotic partnerships with most species of pistol shrimp. It provides a watchful eye, while the shrimp digs a burrow and collects food for them to share. The aquarium should consist of plenty of loose coral rubble, ample swimming room, and a sand bottom for burrowing. It rarely becomes aggressive towards other fish, but it is territorial, and will fight with its own kind unless they are a mated pair. The Luther's Watchman Gobies' diet should consist of meaty preparations either fresh or frozen.
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