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Green Rili Shrimp
Neocaridina davidi
📍 Taiwan / Germany selective breeding
Green Rili Shrimp are a striking selectively-bred variety of Neocaridina davidi featuring a distinctive two-tone coloration: a vibrant green body contrasted with translucent or white-banded segments, creating a bold striped or rili pattern. This hardy shrimp is ideal for beginners and community tanks, combining ease of care with attractive aesthetics.
Care Guide
Diet
Green Rili Shrimp are detritivores that graze constantly on biofilm, algae, and decaying plant matter. Supplement with high-quality shrimp pellets (Shirakura, Mosura), blanched vegetables (zucchini, spinach, carrot), and occasional protein sources like dried seaweed or bloodworms to ensure optimal nutrition and coloration.
Behavior
These shrimp are active grazers that spend most of their time foraging on substrate and plants. They are social and thrive in groups, exhibiting natural molting cycles every 4-6 weeks where they shed their exoskeleton to grow. Colony dynamics are peaceful with minimal aggression, though males may compete for females during breeding season.
Breeding
Green Rili Shrimp breed readily in standard freshwater conditions without requiring special acidic water, making them excellent for beginners. Females produce 20-30 shrimplets per cycle, which are born fully-formed and independent. High survival rates occur in established tanks with adequate biofilm and hiding spaces.
Tank Mates
Small, peaceful algae-eater that shares bottom-dwelling niche without competing aggressively
Tiny, non-predatory fish that ignores shrimp and thrives in similar water parameters
Nano fish with gentle temperament; too small to threaten shrimp
Peaceful variant that generally ignores shrimp; avoid aggressive individuals
Compatible shrimp species; can be housed together in established colonies
Algae-eating snail that coexists peacefully without competing for food or space
Common Diseases
Molting Failure / Incomplete Molt
Shrimp unable to shed exoskeleton completely; stuck in old shell; lethargy; death if untreated
Increase water hardness (GH 6-12) through mineral supplementation; ensure adequate calcium via cuttlebone or mineral additives; maintain stable water parameters; provide soft plants for assistance
Bacterial Infection / Septicemia
Discoloration, lesions on body, cloudy appearance, lethargy, loss of appetite
Perform 25-30% water changes; maintain pristine water quality (0 ammonia, <20 ppm nitrate); add Indian almond leaves or tannins; avoid copper-based treatments; isolate severely affected individuals if possible
Vorticella / Protozoan Infection
White fuzzy coating on body and antennae; reduced movement; difficulty feeding
Increase aeration and water flow; perform frequent water changes; raise temperature slightly to 26-28 C (79-82 F); add salt-free treatments or tannins; improve tank hygiene and reduce bioload
Copper Toxicity
Sudden death, erratic swimming, loss of color, paralysis
Avoid all copper-based medications and fertilizers; use copper-free plant fertilizers; perform immediate large water change (50%+); activated carbon in filter may help remove residual copper; prevention is critical as shrimp are extremely copper-sensitive
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Quick Facts
- diet
- detritivore/omnivore - biofilm, algae, blanched vegetables, commercial shrimp pellets
- lifespan
- 1-2 years
- max size
- 3 cm (1.25 in)
- tank size
- 5 gallons minimum
- temperament
- peaceful
Water it likes
- ph
- 6.5-8.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 6-12 dGH
- temperature
- 64–82°F (18–28°C)