


Species Profile
Julii Corydoras
Corydoras julii
Catfishpeaceful
Adult size
2″
Minimum tank
20 gal
Temperature
73–79°F
pH
6–7.5
Schooling
Group of 6+
Water level
bottom
Diet
Sinking pellets, wafers
Notes
True Julii is a Brazilian species with broken-line markings, often mislabeled in stores as Corydoras trilineatus (false julii). Both are peaceful; ID isn't critical for compatibility, but if you wanted the wild-caught true Julii, double-check the source.
Compatible Tankmates
Best tank mates for Julii Corydoras
Every species below passes the compatibility engine when paired with Julii Corydorasin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Neon Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Cardinal Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Rummynose Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Harlequin Rasbora
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Zebra Danio
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Fancy Guppy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Endler's Livebearer
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Platy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Swordtail
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Dwarf Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Honey Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Bolivian Ram
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Kai Schreiber / Wikimedia Commons · Source · CC-BY-SA-2.0