Livestock compatible with Hornwort
Ceratophyllum demersum
6 rated pairings from the Hornwort care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why.
Excellent matches
4 · Same water, complementary zones, no conflict.
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Will not damage plant tissue and help control algae on leaves

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Peaceful shrimp that won't uproot or consume the plant

Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small peaceful fish that use dense hornwort as shelter and won't harm the plant

Java Moss
Taxiphyllum barbieri
Excellent companion plant that creates dense cover and shares similar care requirements
Good matches
2 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Algae-eating fish that benefit from dense plant cover without damaging hornwort
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Gentle fish that appreciate plant cover; may nibble occasionally but generally compatible
Also recommended alongside Hornwort
Species whose own guides list Hornwort as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.
