Hastatus Corydoras tank mates
Corydoras hastatus
5 rated pairings from the Hastatus Corydoras care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Hastatus Corydoras needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Similar size, peaceful temperament, and preference for planted tanks make them ideal companions

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Non-competitive, occupy different water zones, and share similar water parameter requirements

Java Moss
Taxiphyllum barbieri
Provides essential cover and security for this schooling species while creating natural habitat
Good matches
2 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Both are small, peaceful bottom dwellers that won't compete for food or space in larger groups
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful temperament and preference for planted tanks align well with hastatus needs
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.