👉 The term "Piscicolidae" refers to a group of fish, including species such as pufferfish and pikefish, that primarily inhabit freshwater environments. These fish are characterized by their long, flexible bodies, which serve as pectoral fins for swimming and hunting. Piscicolidae have a wide range of adaptations, including the ability to change coloration in response to environmental cues and the development of specialized structures for movement and feeding.