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Bee Shrimp
Caridina cantonensis
Animalia›Arthropoda›Malacostraca›Atyidae
Variety of Crystal Red Shrimp · Bee
📍 Southern China
Caridina cantonensis is the base species from which the famous Crystal Red, Crystal Black, and Tiger Bee shrimp have been selectively bred. Wild-type specimens display variable banding of white and translucent to brown, but it is the domesticated varieties that drive the hobby's fascination. All variants require the same exacting soft, acidic water conditions with very low TDS, and are intolerant of copper, fluctuating parameters, or high nitrates.
Care Guide
Diet
Bee shrimp are omnivorous grazers that primarily consume biofilm, algae, and decaying plant matter in established tanks. Supplement with high-quality shrimp-specific pellets (2-3 times weekly), blanched vegetables like zucchini and spinach, and dried leaf litter (Indian almond leaves, oak leaves). Avoid overfeeding; they thrive best in mature, planted tanks where natural food sources are abundant.
Behavior
Bee shrimp are sedentary, peaceful foragers that spend most of their time grazing on substrate and plants. They are nocturnal and more active during low-light periods, often hiding in plants and hardscape during the day. They exhibit minimal aggression toward tankmates but are vulnerable to predation and disturbance; they require stable conditions and should be kept in groups of at least 6 for natural behavior.
Breeding
Breeding is moderately difficult and requires pristine water conditions with stable pH (5.8–6.8), low TDS (100–150 ppm), and temperatures at 20–24°C. Females carry eggs for 20–30 days before releasing fully-formed shrimplets; no larval stage occurs. Success depends on consistent water parameters and absence of predatory fish; breeding readily occurs in established, well-maintained shrimp-only tanks.
Tank Mates
Similar water requirements and peaceful temperament; both thrive in planted nano tanks
Compatible water parameters, though slight hybridization risk; best kept separately if breeding
Identical care needs and peaceful coexistence; both prefer soft, acidic water
Small, peaceful algae-eater compatible with shrimp-only setups; requires similar soft water
Essential plant providing grazing surfaces, shelter, and biofilm production for shrimp
Hardy plant that provides hiding spots and grazing surfaces without being uprooted by shrimp
Common Diseases
Bacterial Infection (Septicemia)
Discoloration, lethargy, molting problems, white spots or lesions on body
Perform 25% water changes daily, maintain pristine water parameters, remove affected individuals to isolation tank; antibiotics rarely effective in shrimp
Fungal Infection (Saprolegnia)
White fuzzy growth on body or appendages, difficulty molting, lethargy
Increase water changes, improve water quality, remove decaying food/plants; salt baths (1 tsp per gallon) for 10 minutes may help; isolate affected shrimp
Molting Syndrome
Inability to shed exoskeleton, lethargy, death shortly after molting attempt
Ensure adequate calcium and minerals (GH 4–6 dGH); use mineral supplements designed for shrimp; maintain stable pH and temperature; provide soft substrate for easier molting
Copper Poisoning
Sudden death, erratic swimming, color loss, paralysis
Copper is lethal to shrimp; prevent by avoiding copper-based medications, plant fertilizers, and tap water with high copper content; use RO water or copper-free additives only
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Varieties
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Quick Facts
- diet
- Omnivore – biofilm, shrimp-specific powders, leaf litter, blanched vegetables
- breeding
- Moderate; requires stable buffered water
- lifespan
- 1.5–2 years
- max size
- 3 cm (1.2 in)
- tank size
- 10 gallons minimum; shrimp-only or nano planted
- temperament
- Peaceful
Water it likes
- ph
- 5.8–6.8
- tds
- 100–150 ppm
- ammonia
- 0 ppm
- nitrate
- <10 ppm
- hardness
- 0–6 dGH
- temperature
- 68–75°F (20–24°C)