👉 Ophiopterus is a type of fish that belongs to the family Elasmobranchii and is commonly found in freshwater habitats such as streams, lakes, and rivers. They are known for their unique appearance, which includes a flattened body shape and black or white stripes along the sides of their head. Ophiopteriids are also known for their ability to grow up to 6 inches long, making them large fish that can be found in aquariums and other aquatic environments