Purple Neocaridina tank mates
Neocaridina davidi
6 rated pairings from the Purple Neocaridina care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Purple Neocaridina needs at least 5 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Same water parameters and peaceful temperament; excellent algae control partners

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Compatible Neocaridina variant with identical care requirements and peaceful coexistence

Nerite Snail
Neritina natalensis
5 gal min · 1" adult · Peaceful
Peaceful algae grazer with identical water requirements; no competition or predation risk

Java Moss
Taxiphyllum barbieri
Provides essential biofilm growth, shelter for shrimplets, and natural food source
Good matches
2 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small, peaceful bottom feeders that won't predate on shrimp; excellent algae control

Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Tiny, peaceful fish that occupy mid-water column and won't threaten adult shrimp
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.