Blue Gudgeon Dartfish Goby
Ptereleotris heteropterus
Reef Compatible: Yes
Care Level: Beginner
Disposition: Peaceful
Min. Tank Size: 50 gallons
Mature Size: 5.5 inches
| Size | Minimum Tank Size | Mature Size |
|---|---|---|
| XXXL / SHOW 4″ and Above | 50 gallons | 5.5 inches |
FAQ
Is the Blue Gudgeon Dartfish Goby safe to keep with other reef fish?
Yes, this species is reef compatible and generally peaceful, making it suitable for community tanks with other non-aggressive fish.
What is the expected mature size of this goby?
The mature size of the Blue Gudgeon Dartfish Goby is approximately 5.5 inches.
Is this fish suitable for beginner aquarium keepers?
Yes, it is classified as a beginner-friendly species with low maintenance requirements.


Dylan Springer –
Easy to care for and very active in the tank. It doesn’t bother other fish and blends well with the reef setup. Perfect for a beginner who wants a colorful, peaceful addition.
Julian Berry –
Grew to about 5 inches and stayed calm even with other fish. Tank size was 50 gallons, which matched the minimum requirement. A reliable and attractive species.
Melanie Blake –
Arrived healthy and quickly adapted to the tank. No aggression, and it’s a beautiful blue color that stands out without being flashy.