Shrimp comparison
Blue Bolt Shrimp vs Crystal Red Shrimp
How the Blue Bolt Shrimp and Crystal Red Shrimp compare on care, size, water and temperament, and which shrimp suits your tank.
By Mike ElmiraUpdated
TL;DR, Blue Bolt Shrimp vs Crystal Red Shrimp
The Blue Bolt Shrimp and the Crystal Red 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 5.8 to 6.5, so a single tank can suit either one. Neither is harder than the other to keep, so the choice comes down to look and stocking rather than skill. 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
- Blue Bolt Shrimp20–24 °C
- Crystal Red Shrimp20–24 °C
pH
- Blue Bolt Shrimp5.8–6.5
- Crystal Red Shrimp5.8–6.8
Hardness
- Blue Bolt Shrimp3–6 dGH
- Crystal Red Shrimp3–6 dGH
What to plan for
- Demanding species presentBlue Bolt Shrimp, Crystal Red Shrimp are difficulty 4+. Stable parameters and weekly maintenance are non-negotiable.
Full attributes
Every parameter, side by side| Parameter |  ShrimpBlue Bolt ShrimpCaridina cantonensis 'Blue Bolt' |  ShrimpCrystal Red ShrimpCaridina cantonensis 'CRS' |
|---|---|---|
| Category | Shrimp | Shrimp |
| Origin | Selectively bred (Taiwan Bee line) | Selectively bred from Hong Kong wild stock |
| Temperature | 20–24 °C | 20–24 °C |
| pH | 5.8–6.5 | 5.8–6.8 |
| Hardness (dGH) | 3–6 | 3–6 |
| Flow rate | Low | Low |
| Min tank | 30 L | 30 L |
| Adult size | 2.5–3 cm | 2.5–3 cm |
| Difficulty | 4 / 5 | 4 / 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 Blue Bolt Shrimp and Crystal Red Shrimp together?
Yes. Their temperature and pH ranges overlap around 20 to 24 °C and pH 5.8 to 6.5, 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 Blue Bolt Shrimp or the Crystal Red Shrimp?
They sit at the same care level, both demanding, so neither is the obvious beginner pick. The decision is really about the look you're after.
Do Blue Bolt Shrimp and Crystal Red Shrimp need the same water?
Close to it. Aim for 20 to 24 °C and pH 5.8 to 6.5 and you're in the shared sweet spot for both. Full ranges are in the table above.
What's the main difference between the Blue Bolt Shrimp and the Crystal Red 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.