All fish / Callichthyidae

Osteocarus Cory

Corydoras osteocarus

Also known as osteocarus corydoras, osteocarus cory, corydoras osteocarus, schwartz cory, osteocaris cory, コリドラス・オステオカルス, 骨鼠鱼

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A small, pale cory with rows of dark spots along the flanks, a dark mark at the base of the dorsal fin and a pinkish sheen. It is peaceful, active and stays small, so it suits community tanks with soft sand where a group can forage together.

Care at a glance

Care level

Easy

Temperament

Peaceful

Adult size

4 cm

Temperature

22 to 26 °C

pH

6 to 7.5

Smallest tank

54 litres

Keep as

Group of 6 or more

Diet

Omnivore: sinking pellets and wafers, bloodworm, brine shrimp, daphnia

Swims

Bottom of the tank

Lifespan

5 to 10 years

Water

Freshwater

Wild range

Venezuela and Colombia (Orinoco basin, upper Rio Negro)

Breeding

It spawns in the typical cory way, with the female carrying eggs clasped between her pelvic fins and sticking them to glass or plants. Spawning is often triggered by a cooler water change, and it is considered moderately easy in captivity.

Good to know

Needs fine sand or smooth gravel to protect its barbels. Often confused with similar spotted species such as Corydoras gossei relatives, so check identification when buying.