The Pygmy Corydoras (Gastrodermus pygmaeus, formerly Corydoras pygmaeus) is a tiny, peaceful South American freshwater catfish that grows to about 0.75 to 1.25 inches (2 to 3 cm).Care and Habitat RequirementsMinimum Tank Size: 10 gallons for a school.Water Parameters: Temperature of 72–79°F (22–26°C) and pH of 6.0–7.5.Substrate: Fine sand is recommended to protect their delicate barbels (whiskers) while they forage.Lifespan: 3 to 5 years.Behavior and Tank MatesSchooling: Highly social fi...
