Julii Cory (Corydoras julii) Care Guide

A beautiful small catfish with a pattern of fine black spots on a silver body, often confused with Corydoras trilineatus.

Overview

Corydoras julii is a species in the family Callichthyidae. A beautiful small catfish with a pattern of fine black spots on a silver body, often confused with Corydoras trilineatus. Peaceful and social, it actively scavenges the bottom substrate and should be kept in groups. An excellent community fish.

Taxonomy

Family: Callichthyidae
Genus: Corydoras
Scientific name: Corydoras julii
Other names: Julii Corydoras, Leopard Cory
Origin: South America, Brazil

Habitat

Endemic to small tributaries of the lower Parnaíba River basin in north-eastern Brazil. Inhabits soft, slightly acidic, well-oxygenated streams over fine sand. Most specimens sold under the trade name "Julii cory" are the more widespread look-alike Corydoras trilineatus.

Tank requirements

Minimum tank volume: 60 L
Temperature: 22-26 °C
pH: 6-7.5
GH: 2-12 °dGH
Water flow: moderate
Adult size: 4-6 cm
Lifespan: 5-8 years
Recommended group size: ≥ 6
Difficulty: beginner

Diet

Classified as omnivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

Temperament: peaceful
Swimming level: bottom
Compatible tank mates: Neon Tetra, Ember Tetra, Cherry Shrimp, Harlequin Rasbora
Avoid with: Oscar, Large Cichlids

Breeding

Breeding difficulty: intermediate