Can Black Neon Tetra live with Siamese Algae Eater?
Not recommended
Why
- Siamese Algae Eater’s mouth is big enough to swallow Black Neon Tetra (only 1.5" long) — it will be eaten.
- Only a narrow water hardness overlap — keep both around 6–7.5 dGH.
Side-by-side
| Black Neon Tetra | Siamese Algae Eater | |
|---|---|---|
| Temperature | 72–82°F | 72–79°F |
| pH | 5.5–7.5 | 6.5–7.6 |
| Hardness (GH) | 2–12 dGH | 6–7.5 dGH |
| Adult size | 1.5" | 6" |
| Temperament | Peaceful | Peaceful |
| Min tank | 15 gal | 30 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Black Neon Tetra (to keep Siamese Algae Eater):
- Cardinal Tetra — 2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Cherry Barb — 2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- False Rummy Nose Tetra — 2", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Instead of Siamese Algae Eater (to keep Black Neon Tetra):
- Moonlight Gourami — 6", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Swordtail — 5.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Sailfin Molly — 5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Where to buy
- Black Neon Tetra: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Siamese Algae Eater: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Build a full tank around this stocking →Everything compatible with Black Neon Tetra · …with Siamese Algae Eater