Pygmy Corydoras - 1.3cm

Species Profile

• Scientific Name: Corydoras pygmaeus
• Common Name: Pygmy Corydoras
• Adult Size: Around 0.75 to 1 inch (2 to 2.5 cm)
• Life Expectancy: 3 to 5 years, sometimes longer with excellent care
• Habitat: Native to the Madeira River basin in Brazil; found in slow-moving, shallow waters with leaf litter, fine sand, and dense vegetation

Tank Requirements

• Minimum Tank Size: 10 gallons (38 liters) for a group
• Ideal Temperature: 72–79°F (22–26°C)
• pH Range: 6.4–7.4
• Water Hardness: Soft to moderately hard (2–12 dGH)
• Temperament: Peaceful, active, social; best kept in schools of at least 6–8 individuals

Diet & Nutrition

• Omnivorous: Yes — thrives on a varied diet of sinking micro-pellets, fine flakes, baby brine shrimp, micro worms, and other small live or frozen foods. Will occasionally graze on biofilm and algae.

Appearance

• Very small, slender body with silver-gray coloration
• Horizontal black stripe running from snout to tail
• Slightly translucent fins with minimal markings
• Males are slightly slimmer; females are rounder and larger, especially when carrying eggs

Distinctive Features

• One of the few Corydoras species that frequently swims in midwater as well as along the bottom
• Highly social and active — best viewed in a group where they exhibit natural schooling and foraging behaviors
• Delicate and easily outcompeted for food by larger tankmates, so small, peaceful community setups are best