Top Species
Ember tetra — glows against green plants.
Rummy-nose tetra — tight schooling draws eyes.
Green neon tetra — unique sparkle, peaceful.
Cardinal tetra — bold color, works in Amazon biotope.
Alternatives
Black neon tetra — silver and black contrast.
Glowlight tetra — subtle glow works in dim tanks.
Diamond tetra — adult males develop impressive fins.
Pristella tetra (X-ray) — hardy and active.
Why These Work
Small size respects plant space, peaceful behavior protects shrimp and delicate plants.
Schooling creates movement. Strong natural colors complement planted aesthetic.
What to Avoid
Serpae tetra, black skirt tetra — fin nippers, aggressive.
Buenos Aires tetra — eats plants.
Bleeding heart tetra — gets too large for most planted nano tanks.