Blue Spot Watchman Goby
Cryptocentrus pavoninoides
| Stock | Variations | Price | Quantity | |
|---|---|---|---|---|
| Out of Stock | 4.25 - 6.25" - Indo-Pacific | Original price was: $72.99.$37.99Current price is: $37.99. | Email me |
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Healthy, stable animals from vetted suppliers — inspected before packing, shipped overnight. Decades of experience built this model so we can deliver premium livestock at 30%+ less than you'd pay elsewhere.
| Care Level | Moderate |
|---|---|
| Temperament | Peaceful |
| Reef Safe | Yes |
| Functional Benefit | Ornamental Only |
| Diet Type | Carnivore |
| Mininum Tank Size | 30 gallons |
| Max Size | 6 inches |
| Temperature | 72–78°F |
| pH Range | 8.1–8.4 |
| Specific Gravity | 1.022–1.025 |
The Blue Spot Watchman Goby (Cryptocentrus pavoninoides) is a shrimp goby with a watchman-style head, a banded body, and distinct blue spotting that stands out under reef lighting. In the wild it’s found on sandy coastal areas in the western central Pacific, where it stays close to the sea floor.
What You’ll Observe:
- Perching at the entrance of a chosen burrow, then making short, fast “dashes” to grab food before returning to the same spot
- Regular “home improvement” behavior—moving small bits of sand and rubble around the burrow area
- A strong interest in sharing space with a pistol shrimp, with both animals using the same tunnel system once settled
- A repeating routine where it becomes most visible around feeding time, then resumes watchman duty near its shelter
Provide a sand bed with scattered rubble pieces and stable rockwork so it can establish a secure burrow zone. Offer small meaty foods (like mysis and enriched brine) in consistent, tankwide feedings so it can eat without rushing. With calm tankmates and a predictable routine, it typically becomes a reliable “front row” bottom-dweller in an established reef.
How long can a new Blue Spot Watchman Goby stay out of sight after introduction?
Many keepers report long stretches of “now you see me, now you don’t” behavior at first, especially while it claims a burrow and learns the tank’s rhythms. Regular feeding times often help it start showing itself more consistently.
Will it pair with a pistol shrimp right away?
Some pairings happen quickly, while others take days to weeks as the goby chooses a burrow site. Keeping the shrimp and goby in the same general bottom area helps the pairing happen naturally.
Can you keep two Blue Spot Watchman Gobies together?
Hobbyists most often keep a single specimen, but a bonded pair can work when introduced thoughtfully. If trying two, introducing them close together in time tends to go more smoothly than adding one much later.
Does a change in “yellow vs. gray” look mean anything for this species?
Color and pattern can look very different depending on lighting, stress at the store, and even camera settings. For ID and consistency, hobbyists recommend focusing on stable markings (spot pattern and banding) rather than assuming color alone tells the story.
Why does it run off with food meant for corals or anemones?
Keepers often describe the goby grabbing larger meaty pieces and retreating to its burrow to eat. Feeding smaller particle sizes (or offering the goby a small portion first) can reduce “food theft” behavior during target-feeding sessions.
We source from vetted suppliers known for healthy, long-lived specimens.
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