Yellow Watchman Shrimp Goby | Cryptocentrus cinctus

The Yellow Watchman Goby (Cryptocentrus cinctus), also known as the Yellow Prawn Goby, is a popular bottom-dwelling reef fish recognized for its bright yellow coloration, blue facial markings, and watchful personality. This fascinating species is well known for forming symbiotic relationships with compatible pistol shrimp, sharing a burrow while the goby acts as a lookout for potential predators. Although typically bright yellow, some individuals may display more muted or grayish coloration.

Care Level: Easy
Maximum Size: 4 inches
Minimum Tank Size: 10 gallons
Temperament: Peaceful / Semi-Territorial
Reef Safe: Yes
Diet: Carnivore
Temperature: 74–80°F
Specific Gravity: 1.020–1.026
pH: 8.0–8.4

Provide a sandy substrate with plenty of live rock, caves, and sheltered areas where the Yellow Watchman Goby can establish a burrow. Rockwork should be securely positioned to prevent shifting as the goby or its shrimp partner excavates beneath it. Although they can be kept alone, pairing them with a compatible Alpheus pistol shrimp allows their fascinating natural symbiotic behavior to be observed. Feed a varied diet of mysis shrimp, enriched brine shrimp, finely chopped seafood, and high-quality frozen or prepared carnivore foods. Their hardy nature, entertaining behavior, and peaceful disposition make Yellow Watchman Gobies an excellent addition to both beginner and established reef aquariums.