CRS Shrimp

CRS Shrimp | Caridina cantonensis sp. — A Red-and-White Shrimp for a Dedicated Aquarium

CRS Shrimp, also known as Crystal Red Shrimp, is a selectively bred variety of Bee shrimp with a distinctive red-and-white pattern. Adults grow to around 2.5–3 cm and are peaceful by nature.

This shrimp is sensitive to water quality and is best kept in a dedicated, specially equipped aquarium. Provide soft, slightly acidic water, rich plant cover and floating plants to soften the lighting. Regular water changes help maintain clean conditions.

Specifications

• Common name: CRS Shrimp, Crystal Red Shrimp

• Scientific name: Caridina cantonensis sp.

• Origin: Selectively bred from Bee shrimp native to South Asia

• Colour pattern: Red and white

• Adult size: Approximately 2.5–3 cm

• Temperament: Peaceful

• Minimum aquarium size: 20 litres

• Suggested stocking: 5–6 shrimp per 20 litres

• Temperature: 18–25°C

• pH: 6.5–7.5

• Water hardness: 4–6 °NK

• Water changes: 20–30% weekly

• Diet: Omnivorous; includes boiled vegetables and spirulina tablets

• Breeding: A fertilised female carries around 20–25 eggs; young shrimp develop their pattern at about one month and reach maturity at around four months

• Life expectancy: 1–2 years

How to Keep CRS Shrimp

1. Set up a dedicated aquarium: Use an aquarium of at least 20 litres and stock around 5–6 shrimp per 20 litres.

2. Provide plant cover: Add rich plant cover and floating plants to soften the lighting.

3. Maintain clean, suitable water: Keep the water soft and slightly acidic, at 18–25°C, with a pH of 6.5–7.5 and hardness of 4–6 °NK.

4. Change water regularly: Replace 20–30% of the water each week to help maintain water quality.

5. Offer a varied diet: Feed an omnivorous shrimp diet that includes boiled vegetables and spirulina tablets.

Care & Maintenance Tips

• Monitor water quality closely, as CRS Shrimp is sensitive to changes and poor conditions.

• Keep up with the recommended weekly water changes.

• Provide soft water and stable aquarium conditions.

• Observe females carrying eggs and allow young shrimp access to the planted aquarium environment.