👉 Lophioderus is a genus of small fish belonging to the family Osteichthyes, commonly known as "whipfish" or "sailfish." They are primarily found in freshwater habitats such as lakes, rivers, and ponds. The species can be found in various sizes from small fry to larger species like the common whips (Lophioderus caeruleus) that have a white body with black spots.