👉 Porthmidius is a genus of freshwater fish in the family Hymenoptera, known for their large size and distinctive characteristics. These fish are commonly found in bodies of water such as rivers, lakes, and streams, with some species also living in coastal areas. They have a wide range of body forms, including elongated heads, short bodies, and long, slender legs. Porthmidius is characterized by their highly developed eyes that can detect small changes in the water depth or