The Corydoras pantanalensis, scientifically known as Corydoras pantanalensis, is a rare and distinctive species of Corydoras catfish native to the Pantanal wetlands of Brazil. This species is admired for its elegant body shape, peaceful schooling behavior, and beautiful metallic coloration. Adult Corydoras pantanalensis typically reach about 2.5 to 3 inches (6 to 7.5 cm) in length. They have a high-bodied, rounded form and a tall dorsal fin. Their base body color is silvery to light tan, often overlaid with a striking metallic gold, green, or bluish sheen—especially prominent on the upper flanks and head. Unlike many Corydoras, they do not have horizontal stripes or strong spots. Instead, the body is mostly clear, with subtle, sometimes golden-olive shading. The dorsal fin is tall, almost sail-like, and translucent. The head and back shimmer under aquarium lighting, and the ventral surface is white. The eyes are large and expressive. A tank of at least 20 gallons is ideal for a group. Corydoras pantanalensis are social and should be kept in groups of six or more. Use a soft sand substrate to protect their sensitive barbels, and provide driftwood, smooth stones, and plenty of live plants for cover. Open areas should be left for foraging and schooling. Water parameters should include a temperature of 72 to 79°F (22 to 26°C), a pH between 6.0 and 7.5, and soft to moderately hard water. They are sensitive to poor water quality, so regular partial water changes and gentle filtration are essential. Feeding Corydoras pantanalensis is simple. They are omnivorous and will thrive on a staple of high-quality sinking pellets or wafers, supplemented with live or frozen foods such as bloodworms, daphnia, and brine shrimp. They will also scavenge for leftover food on the substrate. Corydoras pantanalensis are peaceful and do well with other small, gentle fish such as tetras, rasboras, pencilfish, and other Corydoras. Avoid large or aggressive tankmates. Breeding Corydoras pantanalensis in captivity is possible, following typical Corydoras breeding patterns. They are egg scatterers, often spawning after water changes that simulate the rainy season. Use a separate breeding tank with soft water and spawning mops or fine-leaved plants, and remove adults after spawning to protect the eggs. Corydoras pantanalensis is a striking, peaceful catfish that brings activity, schooling motion, and a beautiful metallic shimmer to South American and community aquariums.
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