Atyidaeinvertebratesintermediate

Blue Tiger Shrimp

Caridina cf. cantonensis

Also known as: Blue Tiger Shrimp, BT Shrimp

Origin: Captive bred (Caridina cf. cantonensis lineage)

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Water Parameters

Temperature1824 °C
15 °C35 °C
pH67
49
GH (Hardness)48 °dGH
0 °dGH30 °dGH
KH (Alkalinity)14 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
2.5 cm
Min Tank
20 L
Lifespan
1-2
Swimming Level
bottom
Schooling
Yes (10–20+)
Diet
omnivore
Temperament
peaceful, detritivore

About

The Blue Tiger Shrimp is one of the most well-known intermediate Caridina varieties, displaying a vivid blue base colouration overlaid with the characteristic darker tiger-stripe bands that give it its name. The intensity of the blue can range from pale sky-blue to deep cobalt depending on the specific line and the individual specimen's condition.

The Blue Tiger requires moderately soft and mildly acidic water — less demanding than crystal bee shrimp but more sensitive than Neocaridina. It can often be maintained in quality tap water that has been softened, making it accessible to hobbyists with appropriate water treatment equipment but without a full RO setup.

Blue Tigers are active, inquisitive shrimp that explore all areas of the aquarium throughout the day. They breed readily when conditions are right and produce attractive offspring with varying degrees of blue intensity.

Care Guide

Water: 18–24°C, pH 6.0–7.0, GH 4–8, KH 1–4; moderately soft water; partial RO blend beneficial. Tank: minimum 20 L; fine substrate; moss and plants for grazing and shelter. Feeding: biofilm, algae wafers, snowflake food, quality shrimp pellets. Breeding: moderate; females carry 20–30 eggs; colour intensity variable in offspring. Compatibility: keep with other Tiger shrimp variants; do not mix with Neocaridina.

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