Overview
The Pygmy Cory is a popular freshwater fish known for its small size and peaceful demeanor. It's well-suited for community tanks and can thrive in a variety of freshwater conditions. These corydoras are bottom feeders and prefer a well-planted environment to feel secure.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Callichthyidae |
| Genus | Corydoras |
| Species | Corydoras pygmaeus |
| Water type | freshwater |
Natural Habitat
Native to slow-moving waters in South America, Pygmy Corys can be found in rivers and streams.
Appearance
Pygmy Corys have a silver body with dark spots that help them blend into the substrate and plants, providing camouflage and protection.
Behavior
These fish are not typically schooling fish but enjoy the company of others of their kind. They are quite active and will dart in and out of plants and decor, searching for food.
| Trait | Value |
|---|---|
| Temperament | peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | 3-10 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 20L (5 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Pygmy Corys are known for their ability to live in water with low oxygen levels.
- They are often used as cleaner fish in aquariums to remove algae and uneaten food particles.
- They are one of the smallest corydoras species, making them a popular choice for nano tanks.
📋 Full Care Guide
Ready to set up a tank for your Pygmy Cory? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Pygmy Cory Care Guide →Related Species
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.