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Crystal red shrimp (Caridina cantonensis)
AI illustration, not an ID reference

Crystal red shrimp

Caridina cantonensis

InvertebratesFreshwater

Care level
Demanding
Temperament
Peaceful
Recommended tank
30 L
Maximum size
3 cm
Temperature
19–24 °C
pH
5.8–6.8
Group size
≥ 6
Diet
Omnivore

Care at a glance

The crystal red is the enthusiast's shrimp: white and red in crisp bands, bred in grades ranging from a few euros to hundreds per animal. It is considerably more sensitive than the cherry shrimp and needs a tank set up specifically for it.

In practice that means soft, acidic water — often RO water with a dedicated mineral mix — an active substrate that keeps the pH down, and a tank that has had months to mature. Swings are the leading cause of death, so change small amounts of water and test regularly. Copper is lethal, even in traces from plant fertiliser or fish medication. Get it right and they breed steadily.

Good to know

  • Needs a mature, stable tank

Best not combined with

Related species

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Values are mainstream hobbyist guidance, not gospel — always watch what your own animals need.