Can Firefish Goby Live With Celestial Pearl Danio?
Incompatible pH. Firefish Goby needs 8.1–8.4, Celestial Pearl Danio needs 6.5–7.5.
Parameter Comparison
| Parameter | Firefish Goby | Celestial Pearl Danio | Overlap |
|---|---|---|---|
| Temperature | 75–80°F | 72–78°F | 75–78°F ✓ |
| pH Range | 8.1–8.4 | 6.5–7.5 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3" | 1" | Similar ✓ |
| Min Tank Size | 20 gal | 10 gal | 20 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Species Profiles
Firefish Goby
Nemateleotris magnifica
Firefish gobies are graceful, flame-colored marine fish that hover above the rock work like tiny, living flames. Their elongated dorsal spine and gradient from white to red-orange makes them visually striking. They are peaceful, hardy, and reef-safe, making them ideal for beginner marine aquariums. They require a tight-fitting lid as they are notorious jumpers.
Full care guide →Celestial Pearl Danio
Danio margaritatus
Celestial pearl danios (also called galaxy rasboras) are tiny, jewel-like fish discovered in Myanmar in 2006. Their dark blue body is covered in iridescent pearl-white spots, with bright orange-red fins striped with black. Despite their exotic appearance, they are hardy and easy to care for — one of the hobby's best-kept secrets for nano tanks.
Full care guide →