A riolito is a small, often colorful, freshwater fish belonging to the family of cichlids. These fish are typically found in the rivers and streams of South America, particularly in regions like the Amazon basin. They are popular in the aquarium trade due to their vibrant colors and interesting behaviors. Riolitos are known for their peaceful nature, making them suitable for community tanks. They thrive in well-planted aquariums with plenty of hiding spots. Their diet mainly consists of small insects, crustaceans, and plant matter, which helps maintain their health and vibrant coloration.