Livestock compatible with Duckweed
Lemna minor
6 rated pairings from the Duckweed care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why.
Excellent matches
5 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Herbivorous algae eater that won't damage duckweed; benefits from shade provided by plant coverage
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Shrimp graze on algae and detritus without harming duckweed; thrive in shaded environments
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small peaceful fish that benefit from duckweed shade and won't disturb the plant
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Excellent algae control companion; won't damage duckweed and prefers planted environments
Java Moss
Taxiphyllum barbieri
Companion plant with similar low-light tolerance; creates dense cover when grown together
Good matches
1 · Compatible with normal care — watch space and numbers.Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.