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Y-Bar Watchman Goby (Cryptocentrus fasciatus)

Find Y-Bar Watchman Goby across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Y-Bar Watchman Goby
Photo: Bernard DUPONT from FRANCE · CC BY-SA 2.0
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Where to buy Y-Bar Watchman Goby

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Y-Bar Watchman Goby

A small, elongated goby with a tan to yellowish body marked by distinctive dark vertical bars or bands. The head is slightly darker with a characteristic Y-shaped marking on the forehead, from which it derives its common name. The body shape is typical of watchman gobies—compact and slightly tapered toward the tail.

Key facts

Temperament
Peaceful
Origin
Indo-Pacific region, including the Red Sea, East Africa, and throughout the Indo-Pacific to the Philippines and Great Barrier Reef.
Diet Details
Feed small meaty foods such as mysis shrimp, brine shrimp, and finely chopped seafood. Offer food items appropriately sized for this small goby.
Reef safety
Reef Safe
Common Health Issues
Ich, fin rot, starvation (if inadequate feeding), stress-related disease
Appearance
A small, elongated goby with a tan to yellowish body marked by distinctive dark vertical bars or bands. The head is slightly darker with a characteristic Y-shaped marking on the forehead, from which it derives its common name. The body shape is typical of watchman gobies—compact and slightly tapered toward the tail.
Family
Gobiidae
Care Level
Moderate
Difficulty Level
Moderately hardy for experienced hobbyists. Requires a well-established tank with fine-grain substrate for burrowing, stable water conditions, and regular feeding of appropriate live or frozen foods to thrive.
Min tank size
30 gallons
Diet
carnivore
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

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