👉 The term "Hemiscorpiidae" refers to a group of small, marine animals that include various species that are commonly found in freshwater ecosystems. These animals primarily feed on planktonic organisms and are known for their unique feeding habits, which involve swimming through the water column and using their specialized gills or lungs to extract nutrients from the water. They have a wide range of adaptations, including streamlined bodies, long snouts, and a high metabolic rate.