Here's the good news: if your shrimp are healthy, you almost can't stop them breeding. A starter group of 10–20 cherry shrimp can genuinely become hundreds within 6 months — no special equipment, no intervention. Your job is simply to create the conditions and stay out of the way.
The 5 conditions that trigger breeding
- Stability: mature, cycled tank with steady parameters — breeding stops the moment water swings
- Temperature: 22–26°C is the sweet spot; below 20°C breeding slows right down
- Cover: dense moss — females won't drop eggs without safe nursery space
- Food security: regular light feeding tells the colony it's safe to reproduce; quality breeding foods help
- Minerals: correct GH so females moult and carry eggs properly — see GH+ minerals
The breeding cycle, explained
After a female moults, she releases pheromones and males swim actively looking for her. Within hours she's "berried" — carrying 20–30 eggs under her tail, fanning them constantly. Eggs hatch in about 3–4 weeks (faster in warmer water) into fully-formed miniature shrimp — no larval stage, which is why Neocaridina colonies grow so fast.
For the full deep-dive on cherry shrimp specifically, see our detailed red cherry breeding guide.
Protecting the shrimplets
Shrimplets spend their first weeks hiding in moss, grazing on biofilm. Two rules: keep a sponge over any filter intake, and resist "cleaning" the moss — that gunk is their food supply. In a shrimp-only tank, survival rates are excellent; with fish, only dense cover keeps numbers growing.
Why a colony stalls (and the fix)
- No berried females: usually GH too low or temperature too cold
- Berried females but no babies: babies being eaten — add more moss, check tank mates
- Sudden losses: check water first — our guide Why are my shrimp dying? covers the usual suspects
- Slow growth: underfeeding a large colony — scale food up as numbers rise, see best shrimp foods
FAQ
Will different cherry colours crossbreed?
Yes — all Neocaridina colours interbreed, and offspring drift toward wild brown over generations. Keep one colour per tank if you want vivid colours to hold.
When can I start selling or gifting shrimp?
Once the colony passes ~100 and you see multiple generations, you can safely remove 20–30% without slowing growth.
Start your colony
Pick a colour you love from our 20+ cherry shrimp varieties — all Sydney-bred, shipped with our Live Arrival Guarantee. Grab 10–20 to start and let biology do the rest.
