Bloody Mary Shrimp Care Guide: The Translucent Blood-Red Shrimp
Bloody Mary shrimp glow an intense translucent red from a unique skin pigment, not a shell color. Learn their care, what makes them different from Fire Reds, and how to keep them vivid.
Bloody Mary Shrimp Care Guide
Last updated: June 2026 | 8 min read

Bloody Mary shrimp are one of the most eye-catching red shrimp you can keep, and what makes them special is unusual: their red comes from pigment in the skin and flesh, not just the shell. The result is a glowing, almost glass-like deep red that looks lit from within, especially over a dark background.
They're a Neocaridina davidi color morph, so despite the dramatic look, they're as beginner-friendly as any cherry shrimp. This guide covers their care and what sets them apart from other red shrimp.
Quick Answer
Bloody Mary shrimp are a translucent-red Neocaridina davidi morph. Care is the same as cherry shrimp: stable water (pH 6.5-7.5, temp 65-78°F), a mature planted tank, gentle filtration, and light feeding. Their red comes from skin pigment, giving a glassy glow. Keep dark substrate and no other Neocaridina colors to keep them vivid.
Bloody Mary Shrimp at a Glance
| Parameter | Range |
|---|---|
| Adult size | 1-1.5 inches (2.5-4 cm) |
| Temperature | 65-78°F (18-26°C) |
| pH | 6.5-7.5 |
| GH | 6-8 dGH |
| KH | 2-4 dKH |
| Minimum tank | 5 gallons |
| Temperament | Peaceful |
| Lifespan | 1-2 years |
| Difficulty | Beginner |
What Makes Bloody Mary Different
Most red shrimp, like Fire Reds, get their color from a red shell (carapace). Bloody Mary shrimp have a more translucent shell with deep red pigment in the underlying tissue. This gives them a distinctive glassy, jewel-like appearance, almost like a polished gemstone, rather than the solid painted look of a Fire Red.
They were developed from the Chocolate/Rili Neocaridina lines. Compared to a Fire Red, a Bloody Mary often looks brighter and more luminous because light passes into the body and catches the internal pigment.
Both are gorgeous; it comes down to whether you prefer the solid-red look or the translucent glow.
Tank Setup and Care
Because they're Neocaridina, everything about their care matches cherry shrimp:
- •Tank: 5 gallon minimum, 10+ for a bigger colony
- •Substrate: dark substrate makes the red glow far more intense. See our substrate guide
- •Filter: a gentle sponge filter, safe for babies
- •Plants: moss and plants for grazing and cover
- •Maturity: cycle fully and let the tank age before adding shrimp. See how to cycle a shrimp tank
Water Parameters
Aim for stable: temperature 65-78°F (low-to-mid 70s ideal), pH 6.5-7.5, GH 6-8, KH 2-4, TDS 150-250 ppm. Stability matters more than perfect numbers. Test weekly with a liquid test kit. Our water parameters guide has the full breakdown.
Feeding
Bloody Marys graze biofilm and algae and need only light supplemental feeding, a little shrimp food or blanched vegetables a few times a week. See what do shrimp eat. Overfeeding is the main danger.
Keeping Them Vivid
- •Dark substrate is the biggest single factor; it makes the internal red glow.
- •High-grade stock: start with the deepest, most consistent shrimp you can find.
- •No color mixing: like all Neocaridina, Bloody Marys interbreed with other color morphs and offspring revert to brown. Keep only Bloody Marys. See mixing shrimp colors.
Breeding
Easy and automatic in a stable tank. Females carry 20 to 30 eggs that hatch in 3 to 4 weeks. Shrimplets graze biofilm and hide in moss. For details, see how to breed cherry shrimp.
The Bottom Line
Bloody Mary shrimp offer a unique glassy, glowing red thanks to skin pigment rather than shell color, all with the easy care of a cherry shrimp. Keep their water stable, use dark substrate to make them glow, feed lightly, and keep them as the only Neocaridina color in the tank. You'll have a luminous red colony that looks far more exotic than it is to keep.
Related Guides
- •Cherry Shrimp Care - The base species
- •Mixing Shrimp Colors - Preserving color
- •Best Substrate for Shrimp Tanks - Dark substrate tips
- •What Do Shrimp Eat - Feeding for color
Frequently Asked Questions
◆What is a Bloody Mary shrimp?
A Bloody Mary shrimp is a color morph of Neocaridina davidi with deep red pigment in its skin and flesh rather than just its shell, giving it a translucent, glowing, jewel-like red appearance. It's a beginner-friendly freshwater shrimp with the same care as cherry shrimp.
◆What is the difference between Bloody Mary and Fire Red shrimp?
Fire Red shrimp get their color from a solid red shell, giving a painted, opaque look. Bloody Mary shrimp have a more translucent shell with red pigment in the underlying tissue, giving a glassy, glowing appearance. Both are Neocaridina with identical care.
◆Are Bloody Mary shrimp easy to keep?
Yes, Bloody Mary shrimp are beginner-friendly. They're a Neocaridina color morph with the same hardy care as cherry shrimp: stable water, a mature planted tank, and light feeding. The dramatic color requires no extra effort.
◆Do Bloody Mary shrimp keep their color when breeding?
They breed true as long as you don't mix them with other Neocaridina colors. Keep only Bloody Marys in the tank and selectively remove any poorly colored individuals. Mixing them with other color morphs produces muddy brown wild-type offspring within a few generations.
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