No photo yet
Sign in to submit the first photo
Emerald Betta
Betta smaragdina
Family: Osphronemidae
The Emerald Betta is a wild Betta splendens-group species from northeast Thailand and Laos, known for spectacular iridescent emerald-green scale edging that creates a metallic mesh pattern across a dark base. Males are large and aggressive, similar in temperament to B. splendens. A hardy species once established, it thrives in slow-moving, heavily planted tanks with blackwater-type water chemistry.
Keeping this species
- diet
- Carnivore – betta pellets, bloodworms, daphnia, mosquito larvae
- lifespan
- 3–5 years
- max size
- 7.5 cm (3 in)
- tank size
- 10 gallons minimum; species tank preferred
- temperament
- Highly aggressive toward male conspecifics
Community Photos
0 photosPhotos are added when members log a tank with this species and upload a photo in their tank journal. Add your own tank to contribute.
No photos yet — add a tank with Emerald Betta to be the first!
Sign in to vote.
Tips from the community 💡
0 tipsReal experiences, care advice, and keeper notes. Finn learns from these too.
Sign in to share your experience.
No community tips yet — be the first to share your knowledge!
Water it likes
- ph
- 6.0–7.5
- ammonia
- 0 ppm
- nitrate
- <10 ppm
- hardness
- 2–12 dGH
- temperature
- 72–82°F (22–28°C)