Nano Fish

Small, peaceful nano fish that are safe with shrimp and snails: Galaxy Rasboras, Emerald Rasboras, Fire Ant Tetras and Otocinclus. They add color and movement to planted tanks while your shrimp graze below.
Read more about nano fish care and tank mates below ↓

Shop with confidence 🦐 Our livestock is packed with care and backed by our Live Arrival Guarantee. If anything ever goes wrong, we’ll promptly make it right.

New Arrival

Emerald Rasbora (Emerald Dwarf Rasbora)

Starting from $6.49

Fire Ant Tetra

Starting from $9.00

Popular

Galaxy Rasbora (Celestial Pearl Danio)

Starting from $6.49

New Arrival

Otocinclus Catfish (Algae Eating Dwarf Sucker)

Starting from $8.49

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Nano Fish for Sale

Small, peaceful nano fish that suit planted tanks and get along with shrimp and snails.

Our nano fish:

Galaxy Rasbora (Celestial Pearl Danio): blue-purple with pearly spots
Emerald Rasbora: coral-pink with emerald bars
Fire Ant Tetra: glowing reddish-orange schooler
Otocinclus Catfish: small algae eater for glass and leaves

🐟 Nano fish care at a glance

Galaxy Rasbora: pH 6.5–7.5 · 70–76°F · groups of 6–8+ (10+ ideal)

Emerald Rasbora: pH 7.0–8.0 · 68–76°F · groups of 6+

Fire Ant Tetra: pH 6.5–7.5 · 76–82°F · 6+ in 10+ gal (20+ ideal)

Otocinclus: pH 6.0–7.5 · 72–79°F · 6+ · mature tank with soft algae

Live Arrival Guarantee covers fish shipped FedEx 2-Day or UPS 2nd Day Air.

With shrimp: Adult shrimp are safe with all four. Give shrimplets moss and dense plants as cover.

Algae team: The Cleanup Crew Bundle pairs Otocinclus with Orange Poso rabbit snails and Mixed Color Neocaridina.

Shipping: Ships Monday–Wednesday. Local pickup near Houston.

Learn more: Best cleanup crew for a nano tank · Acclimation guide (covers nano fish too)

Nano fish FAQ

Are these fish safe with shrimp?

Yes, with adult shrimp. All four are peaceful. A planted tank helps baby shrimp survive.

How many Galaxy Rasboras should I keep?

At least 6–8, and 10 or more is ideal for natural behavior and better color.

When should I add Otocinclus?

Only to a fully cycled tank that’s been running for several months with visible soft algae.

Which shipping method should I choose for fish?

FedEx 2-Day or UPS 2nd Day Air. Those are the methods our Live Arrival Guarantee covers for fish.