Callichthyidaefreshwater fishintermediate

Two-color Cory

Corydoras bicolor

Also known as: Two-color Cory, Bicolor Cory

Origin: South America

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Water Parameters

Temperature2226 °C
15 °C35 °C
pH67
49
GH (Hardness)18 °dGH
0 °dGH30 °dGH
KH (Alkalinity)14 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
5 cm
Min Tank
60 L
Lifespan
5-8
Swimming Level
bottom
Schooling
Yes (6–10+)
Diet
omnivore
Temperament
peaceful, active bottom dweller

About

Corydoras bicolor is an uncommon Peruvian species where the front of the body is notably lighter than the rear, creating an eye-catching two-tone appearance. It inhabits soft, acidic blackwater streams and requires similar conditions in captivity. It is a rewarding species for intermediate keepers who can provide appropriate water chemistry.

Care Guide

Water: 22–26°C, pH 6.0–7.0, soft, slightly acidic; avoid hard or alkaline water. Tank: 60L+, fine sand substrate, dim lighting, tannin-stained blackwater conditions ideal. Feeding: Sinking wafers, small frozen foods including bloodworm and daphnia, quality micro pellets. Behaviour: Peaceful schooling bottom dweller; group of 6+ essential for confidence. Compatibility: Best in soft-water community with tetras and other South American species.

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