Corydoras-concolor, commonly known as the Green Cory Catfish, is a freshwater fish native to South America. It is a member of the Corydoradinae sub-family of the family Callichthyidae and is one of the most popular aquarium fish. The Green Cory Catfish is olive green in color and can grow up to 4 inches in length. It has an elongated, streamlined body with a wide head and a small mouth. It has an almost triangular head with two large eyes and two short barbels on each side. The dorsal fin is short and pointed and the caudal fin is divided into two sections. Its lifespan can be up to 10 years in the wild or 15 years in captivity, provided the water is kept clean and conditions are suitable. They are peaceful and social fish, living in small shoals and scavenging for food. They are bottom dwellers and prefer to remain in the lower levels of the aquarium. They are omnivorous and will feed on a variety of foods, such as prepared foods, frozen foods, live foods, and some fruits and vegetables.