Can Harlequin Rasbora Live With Firefish Goby?
Incompatible pH. Harlequin Rasbora needs 6.0–7.5, Firefish Goby needs 8.1–8.4.
Parameter Comparison
| Parameter | Harlequin Rasbora | Firefish Goby | Overlap |
|---|---|---|---|
| Temperature | 73–82°F | 75–80°F | 75–80°F ✓ |
| pH Range | 6–7.5 | 8.1–8.4 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 3" | Similar ✓ |
| Min Tank Size | 10 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | beginner | — |
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
Harlequin rasboras are elegant, copper-colored schooling fish with a distinctive black triangular patch on their body. They are one of the most peaceful and hardy community fish available, making them ideal for beginners. In schools of 8+, they display beautiful coordinated swimming behavior.
Full care guide →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 →