Cherry Shrimp Breeding Guide

Neocaridina davidi breeds readily in freshwater: females carry 20-30 eggs for 2-3 weeks and release fully formed shrimplets with no larval stage.

Overview

Neocaridina davidi reproduces freely in a stable freshwater aquarium and has no larval stage, which makes it one of the easiest aquarium invertebrates to breed. A colony only requires a sexed pair, stable water parameters and a steady food source. Shrimp reach sexual maturity at roughly two months of age, and a colony begun with about ten individuals should contain both sexes.

Sexing

Females are larger, more deeply coloured and have a wider, more rounded tail; they also show a yellow or saddle-shaped marking on the back when eggs are developing in the ovaries. Males are smaller, more slender and less intensely coloured.

Breeding Conditions

Stable parameters matter more than precise targets. Provide steady water chemistry, gentle filtration and live plants or moss that host the microfauna and biofilm the colony grazes on. After moulting, a receptive female releases pheromones that attract males to mate.

Egg-laying & Juveniles

Once mated, the female becomes berried and carries 20-30 eggs attached to her pleopods (swimmerets) under the tail, fanning fresh water over them to keep them oxygenated and clean of fungus. Eggs take about 2-3 weeks to hatch and darken as development proceeds, with tiny eyespots visible before hatching. Hatchlings are roughly 1-2 mm miniatures of the adults that lack full colour at first; feed them powdered foods and offer leaf litter or moss, and they mature in around a month.

Challenges

The main risk to a colony is predation: most fish will eat newborn shrimp, so a dedicated or heavily planted tank improves survival. Stressed or inexperienced females may drop their eggs, and stable conditions plus dense cover greatly increase the number of juveniles that reach maturity.