Shrimp comparison
Crystal Red Shrimp vs Tiger Shrimp
How the Crystal Red Shrimp and Tiger Shrimp compare on care, size, water and temperament, and which shrimp suits your tank.
By Mike ElmiraUpdated
TL;DR, Crystal Red Shrimp vs Tiger Shrimp
The Crystal Red Shrimp and the Tiger Shrimp are close cousins, both in the Caridina group, so at a glance they ask for a lot of the same things. Both are happy somewhere around 20 to 24 °C and pH 6 to 6.8, so a single tank can suit either one. The Tiger Shrimp is the more forgiving of the two, which matters if this is an early tank, while the Crystal Red Shrimp rewards a bit more attention. Read the full care notes on each below and pick the one whose look and pace fit the tank you're building.
Group compatibility overview
Excellent fit
Every key parameter overlaps and no major conflicts surfaced.
1 note
Temperature
- Crystal Red Shrimp20–24 °C
- Tiger Shrimp18–24 °C
pH
- Crystal Red Shrimp5.8–6.8
- Tiger Shrimp6–7.5
Hardness
- Crystal Red Shrimp3–6 dGH
- Tiger Shrimp4–10 dGH
What to plan for
- Demanding species presentCrystal Red Shrimp are difficulty 4+. Stable parameters and weekly maintenance are non-negotiable.
Full attributes
Every parameter, side by side| Parameter | ![]() ShrimpCrystal Red ShrimpCaridina cantonensis 'CRS' | ![]() ShrimpTiger ShrimpCaridina mariae |
|---|---|---|
| Category | Shrimp | Shrimp |
| Origin | Selectively bred from Hong Kong wild stock | Southern China and Hong Kong |
| Temperature | 20–24 °C | 18–24 °C |
| pH | 5.8–6.8 | 6.0–7.5 |
| Hardness (dGH) | 3–6 | 4–10 |
| Flow rate | Low | Low to Medium |
| Min tank | 30 L | 30 L |
| Adult size | 2.5–3 cm | 2.5–3 cm |
| Difficulty | 4 / 5 | 3 / 5 |
| Lifespan | 1.5 yrs | 1.5 yrs |
| Diet | Omnivore / detritivore | Omnivore / detritivore |
| Plant safe | Yes | Yes |
Frequently asked questions
Direct answers to the questions search engines and AI assistants surface most often about this species.
Can you keep Crystal Red Shrimp and Tiger Shrimp together?
Yes. Their temperature and pH ranges overlap around 20 to 24 °C and pH 6 to 6.8, so one set of water conditions keeps both comfortable. Match group sizes and cover the usual planted-tank basics and they share a tank fine.
Which is easier to keep, the Crystal Red Shrimp or the Tiger Shrimp?
The Tiger Shrimp is the easier of the two, closer to middle-of-the-road, while the Crystal Red Shrimp leans demanding.
Do Crystal Red Shrimp and Tiger Shrimp need the same water?
Close to it. Aim for 20 to 24 °C and pH 6 to 6.8 and you're in the shared sweet spot for both. Full ranges are in the table above.
What's the main difference between the Crystal Red Shrimp and the Tiger Shrimp?
It comes down to look, size and pace rather than one being flatly better. The table above lays the numbers out row by row.


