Scientific Name:Bedotia geayi Common Name: Madagascar Rainbowfish Adult Size: 4–5 inches Origin: Eastern Madagascar (coastal rivers and streams) Temperament: Peaceful, active, and social Tank Size: 30+ gallons Water Conditions:
Temperature: 72–79°F (22–26°C)
pH: 6.5–7.5
Hardness: Soft to moderately hard (4–12 dGH)
The Madagascar Rainbowfish is a stunning and rare species prized for its shimmering, multicolored sheen and graceful movements. With a sleek silver body that reflects iridescent hues of gold, green, and blue under the right lighting, this fish adds both motion and beauty to any community aquarium.
This species thrives in small groups and prefers a well-oxygenated setup with moderate flow and dense vegetation along with open swimming areas. Ideal for aquarists looking for an elegant and uncommon rainbowfish with a calm demeanor.
Fun Facts:
Native only to Madagascar, this species is endemic and listed as vulnerable in the wild due to habitat loss.
Males are more vividly colored and develop extended fin rays as they mature.
Best kept in groups of 6 or more to reduce stress and encourage natural behavior.
Diet: Omnivorous—enjoys high-quality flakes, micro pellets, frozen or live foods (daphnia, brine shrimp, bloodworms), and even some algae-based snacks.
Compatibility: Very peaceful and suitable for community tanks with other similarly sized, non-aggressive species. Avoid fin-nippers.
Why Choose Madagascar Rainbowfish? Add biodiversity and conservation value to your aquarium with this elegant and rare species from one of the world's most unique ecosystems. Their schooling behavior and subtle color shifts make them a captivating presence in planted or natural-style tanks.
