Yellow Watchman Goby - Cryptocentrus cinctus - Small

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SKU: 213724
Manufacturer: That Fish Place
MPN: F91 0007 0111

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The Yellow Watchman Goby (Cryptocentrus cinctus) varies in color from a vibrant yellow to whitish-grey with blue dots located around the eye and the operculum and faint vertical bars. They stay fairly small but are also quite territorial for their size.

Watchman Gobies (Cryptocentrus sp.) are best known as part of the group of gobies known as "Shrimpgobies" or "Prawn Gobies". They form symbiotic relationships with certain pistol shrimp. These shrimp build and maintain a burrow for them both to live in, and the goby defends the lair and supplies food. Shrimpgobies are also minor sandsifters but will not sift as much as those generally referred to as "Sleeper Gobies" (Valenciennea sp.) or "Hover Gobies" (Amblygobius sp.).

Watchman Gobies from the genus Cryptocentrus are similar to other shrimpgobies but generally get more aggressive, both towards other fish and, especially with larger fish, towards ornamental inverts like shrimp and crabs (except for their shrimp partner, if they have one). They are not as skinny in their body shape and have very large mouths. Avoid keeping Watchman Gobies with other shrimpgobies or in small tanks where their aggression may become more pronounced.

These gobies will eat a variety of frozen foods and possibly flake and pellet. Gobies prefer a tank with plenty of rocky hiding places. They get along with most tankmates, but can be aggressive toward other gobies. Gobies are known jumpers; when startled or threatened, they have been known to jump out of uncovered aquariums. Always keep the tank covered and provide plenty of hiding places for this fish to retreat to.

Visit That Fish Blog for more information from our marine biologists on Gobies, Pistol Shrimp and other aquarium-related topics!


F91 0007 0111
That Fish Place
Common NameYellow Watchman Goby
Scientific NameCryptocentrus cinctus
Reef SafeYes
Invert SafeYes
Community SafeYes
Max Size (in inches)3
Min Tank Size (in gallons)20
Originwestern Pacific
Specific Gravity Range1.020-1.024
pH Range8.0-8.4
Temperature Range75-82
Internal Id

State Restrictions
Armed Forces Americas
Armed Forces Europe
Armed Forces Pacific
Puerto Rico


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