Can Crystal Red Shrimp live with Oscar?
Not recommended
Why
- Oscar will hunt and eat Crystal Red Shrimp — even large filter shrimp are not safe.
- Only a narrow water hardness overlap — keep both around 5–6 dGH.
Side-by-side
| Crystal Red Shrimp | Oscar | |
|---|---|---|
| Temperature | 68–76°F | 74–81°F |
| pH | 5.8–6.8 | 6–8 |
| Hardness (GH) | 3–6 dGH | 5–20 dGH |
| Adult size | 1" | 16" |
| Temperament | Peaceful | Aggressive |
| Min tank | 5 gal | 75 gal |
Together, plan on at least 75 gallons.
Compatible alternatives
Instead of Crystal Red Shrimp (to keep Oscar):
- Assassin Snail — 1", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Thai Micro Crab — 0.4", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Batik Nerite Snail — 0.6", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Instead of Oscar (to keep Crystal Red Shrimp):
- Platy — 2.5", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Variatus Platy — 2.75", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Pygmy Cory — 1", peaceful buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Where to buy
- Crystal Red Shrimp: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Oscar: 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 Crystal Red Shrimp · …with Oscar