Native to the clear, fast-flowing, cool-water tributaries of the upper Amazon River basin in Peru, the Panda Corydoras (*Corydoras panda*) is one of the most charming and sought-after bottom-dwelling catfish in the freshwater hobby. Named for their distinct black patches around their eyes, dorsal fin, and tail base that closely resemble a giant panda, these peaceful schooling fish bring immense personality to planted community setups. Because they possess sensitive barbels and lack traditional scales, keeping them successfully requires meticulous substrate safety and pristine water quality. In this comprehensive guide, we explore the ideal habitat parameters, social grouping needs, and feeding protocols for keeping thriving Panda Cory colonies.

1. Natural Habitat and Water Parameter Requirements In the wild, *Corydoras panda* inhabits shallow, highly oxygenated headwater streams where forest shade keeps water temperatures cooler than typical tropical setups. - **Water Temperature:** Maintain stable aquarium temperatures between 20°C to 24°C (68°F to 75°F). Chronic exposure to overheated water above 26°C accelerates their metabolic rate and significantly shortens their lifespan. - **pH and Total Hardness:** They thrive best in soft, slightly acidic water conditions ranging from 6.0 to 7.2 pH, with total hardness (GH) under 10 dGH. Pristine water hygiene with minimal nitrates is essential, as their delicate facial barbels are prone to bacterial erosion in unclean tanks.

2. Benthic Social Structure and Substrate Protection Panda Corydoras are intensely social, schooling creatures that experience severe stress and hiding behavior when kept as solitary individuals. - **Minimum School Size:** Never keep fewer than 6 to 8 individuals together; larger groups display fascinating, synchronized shoaling behaviors across the bottom substrate. - **Substrate Safety Architecture:** Because these fish constantly sift and tunnel through the bottom medium using their delicate sensory barbels, rough sharp gravel or crushed basalt will scrape and erode their facial features, opening pathways to fatal infections. Always utilize smooth, rounded river sand or fine-grade quartz gravel to protect their natural foraging behavior.