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Pygmy corydoras, photographed on a transparent background

FreshwaterComing soon90 coinsCommon

Pygmy corydoras

Corydoras pygmaeus

The odd cory out: not on the bottom but a shimmering mid-water cloud.

The Pygmy corydoras (Corydoras pygmaeus) is a tropical freshwater fish of the family Callichthyidae. It lives on the bottom. Adults grow to about 2.5 cm. In the aquarium it needs a tank at least 45 cm long and water at 22–26 °C.

Size
2.5 cm
Smallest tank
45 cm
Temperature
22–26 °C
Care
Moderate

In the aquarium

Temperature22–26 °C
pH6.0–7.6
Hardness2–15 °dGH
Temperament
Peaceful
Diet
Omnivore
Activity
Moderate
Water layer
Mid water
Group
Happiest in a group of 10 or more
Plants
Plant safe
Drawn to scale in a 45 cm tank

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

  • Nano60 cm · 65 litres54 of them
  • Standard90 cm · 180 litres150 of them
  • Wide120 cm · 300 litres250 of them
  • Living room180 cm · 650 litres541 of them
  • Showcase250 cm · 1,200 litres1,000 of them
  • Gallery300 cm · 1,440 litres1,200 of them

Who it lives with

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
On the bottom
Aquarium trade
Traded commercially

Conservation status

Classification

  1. OrderSiluriformes
  2. FamilyCallichthyidae
  3. GenusCorydoras
  4. SpeciesCorydoras pygmaeus
  5. Described byKnaack, 1966

Quick answers

Pygmy corydoras size: how big does it get?
Adults reach about 2.5 cm. Record sizes among the 43 Corydoras species on LumaReef: 2 cm (Salt-and-pepper Catfish) to 7.5 cm (Bronze corydoras).
Pygmy corydoras tank size: what is the minimum?
A tank at least 45 cm long. In LumaReef that is the Nano tank or larger.
Pygmy corydoras water parameters: what does it need?
Temperature 22–26 °C, pH 6.0–7.6, hardness 2–15 °dGH. Close to what most Corydoras on LumaReef need (21–26 °C).
Pygmy corydoras tank mates: what can it live with?
It gets along with 62 of the 99 freshwater species in the catalogue, such as Galaxy rasbora, Ember tetra, and Lambchop rasbora.
Pygmy corydoras: alone or in a group?
Keep at least 10 together.
Pygmy corydoras and plants: is it plant safe?
Yes, it leaves plants alone.

All Callichthyidae speciesAll species A–Z

Sources

Pygmy corydoras: compiled from these references.