👉 Plectostomus is a class of fish that primarily inhabit freshwater environments, where they are known for their aquatic lifestyle and ability to swim with great speed and agility. These fish have a long, slender body with a broad head and a small tail, which helps them move efficiently through the water. Plectostomus is divided into two main groups: the pectoral sturgeon (Pleurotus), which are known for their large size and ability to swim at great speeds