Opaline Gourami (Pallas, 1770)
| Scientific Name | Trichogaster trichopterus |
| Diet | Omnivore: bloodworms, tubifex, brine shrimp; prepared flake, pellets. Some vegetable matter should be offered. |
| Alt Common Name | |
| Family | Osphronemidae |
| Origin | Asia: Cambodia, Thailand, Viet Nam |
| Aquarist Level | Beginner/Intermediate |
| Community Aquarium Safe | With caution. |
| Coloration | Blue with darker blue marbling |
| Disposition | Peaceful. Some mature males may become bullies to others of the same genus. |
| Hardiness | Hardy |
| Compatibility | Compatible with Angelfish, Barbs, Catfish, Cichlids, Gouramis, Larger-sized Livebearers, Loaches, Plecos, Rainbowfish. |
| Mature Size | Typically 4 inches in the aquarium, to 6 inches in the Wild. |
| Minimum Recommended Aquarium Size | 50 gallons |
| Sexual Dimorphism | Longer finnage in males (dorsal, in particular). |