Blue Tetra (Hemigrammus coeruleus)
Hemigrammus coeruleus
Origin: Brazil (Amazon basin)
Water Parameters
Quick Stats
- Max Size
- 4 cm
- Min Tank
- 60 L
- Lifespan
- 3-5
- Swimming Level
- middle
- Schooling
- Yes (8–20+)
- Diet
- omnivore
- Temperament
- Peaceful; ideal community schooling tetra
About
Hemigrammus coeruleus is a seldom-imported tetra from the Amazon basin notable for its soft iridescent blue lateral band that shimmers attractively under aquarium lighting. Peaceful and active, it is a schooling fish that does best in soft, slightly acidic water with ample plant cover. A genuinely uncommon find for collectors seeking unusual Amazonian tetras.
Care Guide
Keep in schools of 8 or more. Provide soft, slightly acidic water with dense planting and subdued lighting to bring out the iridescent blue. Feed quality micro-pellets, flake, and small frozen foods. Water changes important for long-term health. Very peaceful — suitable with all non-aggressive nano community fish.
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