👉 Sphenopharyngidae are a group of fish in the family Sphenopterygii that include sphenopharynchids and sphenophorans, which have long, slender bodies and are known for their powerful jaws. These fish are usually found in freshwater environments such as rivers, lakes, and coastal areas. Their primary diet consists of small fish, crustaceans, and even smaller animals like insects or plankton.