Red Onyx shrimp (Neocaridina davidi ‘Red Onyx’) is a captivating and relatively new variation of the backstripe shrimp (Neocaridina davidi). Its deep maroon to dark brown coloration resembles that of a rich, almost chocolatey red tone. Under good lighting, you can appreciate its deep shimmering wine-red hue, while in lower light conditions, it appears almost black. Here’s what you need to know about these stunning shrimps:
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Appearance:
- The Red Onyx shrimp grows to around 1.5 inches in size.
- Females are larger and more intensely colored than males.
- The line is still being stabilized by breeders, so not all offspring will exhibit the same spectacular coloration as their parents.
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Aquarium Setup:
- A 5+ gallon aquarium is suitable for beginners, while 10+ gallons are recommended for stability.
- Ensure your tank is fully cycled, has a filter, and possibly a heater if ambient temperatures fluctuate.
- Provide hiding places using rocks, driftwood, and live plants.
- Use a dark substrate to enhance their colors.
- Good lighting allows you to appreciate their full beauty.
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Water Parameters:
- Neocaridina shrimp are not too demanding:
- Ammonia and nitrites must be 0 at all times.
- Nitrates should preferably be <10.
- Avoid copper-based medications, as they are toxic to shrimp.
- Regular small water changes help maintain water quality.
- Neocaridina shrimp are not too demanding:
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Diet:
- Red Onyx shrimp are omnivorous.
- Feed them a balanced diet of high-quality shrimp pellets, algae wafers, blanched vegetables, and occasional treats like bloodworms.
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Tankmates:
- Keep them with peaceful tankmates like other Neocaridina shrimp, small fish, or snails.
- Avoid aggressive or predatory species.
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Availability:
- Red Onyx shrimp are still relatively rare, but their popularity is growing due to their striking appearance.
