Bloody Mary Shrimp

Neocaridina davidi

Also known as Bloody Mary Neocaridina, Neocaridina davidi Bloody Mary

FreshwaterShrimp

Care at a glance

Temperature
64–82°F (18–28°C)
pH
6.5–8.0
Adult size
1.6 in (4 cm)
Minimum tank
5 gal (20 L)
Temperament
Peaceful
Social behavior
Social
Swim level
Bottom
Difficulty
Beginner
Breeding
Easy
Rarity
Common
Origin
A captive bred color line of the dwarf shrimp Neocaridina davidi, whose wild form lives in freshwater streams and ponds across eastern China and Taiwan.
Family
Atyidae

Overview

A colony does well in as little as 20 L of stable, cycled water at 18 to 28 C and a pH of 6.5 to 8.0, ideally in a planted tank with moss and biofilm to graze. Keep them with other small peaceful shrimp or tiny fish that will not eat them. They breed readily with no special effort, so a few animals become a colony. Feed algae, biofilm, blanched vegetables and a little shrimp pellet.

In the wild

Bloody Mary is a deep, translucent blood red line of Neocaridina davidi, colored by red pigment over a clear shell rather than the opaque red of a painted fire red cherry. It is a small, peaceful algae grazer that spends its time picking over plants, wood and substrate. It is just as hardy and easy as any other Neocaridina color. A mature planted tank with stable water suits it best.

Good to know

Every Neocaridina davidi color line, from cherry to blue to this red, is the same species with identical care, and the color is a selected trait rather than a different animal. Bloody Mary was line bred from the chocolate and rili gene pool to fix its clear, glassy red. Females are larger and more deeply colored than males.

Did you know

Because the red sits over a clear shell, Bloody Mary shrimp can look almost see through in some light and glow solid red in others.

Appears in

Shrimp · Freshwater clean-up crew · Freshwater inverts

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