About the species

Orange Eye Blue Tiger - Royal is the highest grade among the blue tiger shrimp, with deep, saturated royal blue colour across the whole body and clear orange eyes. The blue tone is among the strongest found in freshwater shrimp.

Facts

• Latin name: Caridina mariae
• Common name: Orange Eye Blue Tiger - Royal
• Size: Up to 3 cm
• Lifespan: 1–2 years

Behavior

Orange Eye Blue Tiger - Royal is a peaceful and notably active shrimp that moves openly around the aquarium. It thrives in a group of at least ten and suits a planted nano tank with moss and driftwood.

Reproduction

• Females usually carry 20–30 eggs under the tail
• The eggs hatch after about 30 days as fully developed shrimplets
• The species breeds willingly in fresh water when the values are kept stable

Feeding

Orange Eye Blue Tiger - Royal is an omnivore and feeds on:

• Biofilm
• Algae
• Organic material

Feel free to supplement with:

• A quality shrimp food
• Blanched spinach or nettle
• Catappa leaves

Aquarium

• Minimum aquarium size: 30 litres
• Substrate: Active soil or neutral shrimp gravel

Difficulty level

🟡 Moderate

Recommendation

The Royal grade is our top pick among OEBT. The deep blue colour shows best under good lighting against a dark substrate. Keep the values stable and the line pure to preserve both the colour depth and the recessive orange eye trait.