The Yellow Watchman Goby (Cryptocentrus cinctus) is one of the most charming reef fish thanks to its symbiotic partnership with pistol shrimp. The shrimp digs and maintains a burrow; the goby stands guard and warns of predators. Together they make compelling reef behavior visible all day long.
Care requirements
- Min tank: 30 gallons with sand bed
- Diet: Carnivore — mysis, brine, pellets
- Temperament: Peaceful, bottom-dwelling
- Reef safe: Yes
- Difficulty: Easy