Overview
The Yellow Watchman Goby (Cryptocentrus cinctus) is a beginner saltwater species known for its yellow, blue spots coloration. Pairs with pistol shrimp. Bottom.
Origin & Appearance
Origin: Western Pacific.
Colors: Yellow, Blue spots.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 10.0 x 1.8 x 3.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 75–79°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Bottom |
Behavior & Activity
Bottom sentry; perches at burrow entrance scanning for danger; shares burrow with pistol shrimp; quick retreat into hole
Speed: 25/100Aggression: 2/10diurnal
Breeding
Moderate; egg depositor in burrow
Common Diseases
💊 Ich
Expert Notes
Pairs with pistol shrimp