Paracheilodus

Paracheilodus is a genus of freshwater fish belonging to the family Curimatidae. These fish are native to the Amazon and Orinoco river basins in South America. The genus contains several species, commonly known as silver dollars or disc fish due to their round, flattened bodies. Paracheilodus species are typically small to medium-sized, with a silvery coloration that can sometimes exhibit iridescent qualities. They possess a single, continuous dorsal fin and a forked caudal fin. Their mouths are small and ventrally located, adapted for their diet.

These fish are primarily herbivores, feeding on algae, detritus, and soft aquatic vegetation. They are often found in schools, inhabiting areas with moderate to strong currents, such as riffles and rapids. Their flattened bodies are advantageous for navigating these turbulent waters. Paracheilodus are oviparous, releasing their eggs into the water column. In aquariums, they are known for being peaceful community fish, though their dietary needs require specific attention to provide adequate plant matter. Their schooling behavior is pronounced, and they thrive in groups.