Where to buy Signal Goby
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About Signal Goby
The Signal Goby is a small goby with a mostly translucent to pale yellow body and distinctive large dark blotches or bands across the head and body. It has a characteristic flattened body shape typical of gobies, with eyes positioned dorsally. The fish displays bold contrasting markings that give it its common name.
Key facts
- Max Size
- 3.5
- Common Health Issues
- Marine ich, Fin rot, Swim bladder disorder, Hole-in-the-head, Columnaris disease
- Care Level
- Moderate
- Family
- Gobiinae
- Origin
- Indo-Pacific region, ranging from the Red Sea and East Africa through the Indian Ocean to the western Pacific, including the Great Barrier Reef and surrounding areas. Found in coastal reef environments at depths typically between 5–40 meters.
- Temperament
- Peaceful
- Diet Details
- Signal Gobies are carnivorous, feeding primarily on small crustaceans, copepods, and other zooplankton in the wild. In captivity, offer high-quality frozen foods such as mysis shrimp, brine shrimp, and small crustacean preparations multiple times daily to replicate natural feeding patterns.
- Difficulty Level
- The Signal Goby requires moderate care, being small and relatively hardy but demanding consistent water quality and regular feeding of appropriate small foods. It adapts reasonably well to established aquariums but does not tolerate poor conditions or erratic feeding schedules.
- Reef safety
- Reef Safe
- Feeding Schedule
- 2-3 times daily
- Diet
- carnivore
- Care Requirements
- • Minimum 20 gallon tank with stable reef conditions • Temperature range 72–78 °F • Salinity 1.020–1.025 SG • Requires fine sandy substrate or small rubble for burrowing behavior • Feed small frozen foods (mysis, copepods) 2–3 times daily; limited success on dry foods • May perish quickly if water quality drops or feeding is inconsistent
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