Description
🌟 Black Rili Shrimp (Neocaridina davidi var. Black Rili)
📌 Basic Info
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Scientific Name: Neocaridina davidi (Black Rili variant)
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Common Name: Black Rili Shrimp
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Size: ~1 – 1.2 inches (2.5 – 3 cm)
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Lifespan: 1.5 – 2 years
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Tank Zone: Bottom to mid (grazes on plants, rocks, glass, and substrate)
🌊 Water Parameters
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TDS: 100 – 250 ppm
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pH: 6.5 – 7.5
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Temperature: 20°C – 26°C (68°F – 79°F)
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Water Type: Freshwater, soft to moderately hard
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Hardness: GH 4–8, KH 3–6
🐟 Characteristics
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Attractive black coloration with transparent body sections → gives a unique rili patterned look.
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Peaceful, hardy, and great for community aquariums.
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Constant grazers → eat algae and leftover food, keeping the tank clean.
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Easy to breed if conditions are stable.
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Females are bigger and usually show deeper color than males.
🍽️ Food
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Type: Omnivorous scavenger.
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Diet: Algae, biofilm, shrimp pellets, blanched vegetables (spinach, cucumber, zucchini), spirulina, quality shrimp food.
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Feeding Frequency: 3–4 times per week, only small portions.
🛠️ Maintenance
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Weekly 15–20% water changes.
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Use a sponge filter to protect baby shrimp.
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Provide plants, moss, and driftwood → for grazing and hiding.
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Avoid copper in meds/fertilizers (toxic to shrimp).
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Stability of water is more important than perfect parameters.
👥 Social Behavior
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Minimum Group Size: 10+ (thrive in colonies).
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Tank Mates: Peaceful small fish – rasboras, ember tetras, endlers, guppies, otocinclus, snails.
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Avoid: Predatory/aggressive fish (bettas, cichlids, barbs, goldfish).
✅ Do’s
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Keep in planted tanks with moss and hiding spots.
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Acclimate slowly when introducing to a new tank.
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Maintain stable, cycled aquariums.
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Keep them in groups/colonies for best health and breeding.
❌ Don’ts
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Don’t keep with big/aggressive fish.
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Don’t overfeed → can cause ammonia spikes.
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Don’t use copper-based medicines.
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Don’t add to new or uncycled tanks.
⭐ Quick Tips
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Popular for their stylish black + transparent pattern.
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Hardy, peaceful, and beginner-friendly shrimp.
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Great for algae cleaning and maintaining tank balance.
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Adds a classy black-and-clear contrast to planted aquariums