The correct answer is: Carp, catfish, and barbs.
Carp, catfish, and barbs are the most important freshwater fish species in Manipur. They are a major source of food for the people of Manipur and are also used in traditional medicine. Carp are a type of fish that are found in both freshwater and saltwater. They are known for their ability to survive in a variety of habitats, including ponds, lakes, rivers, and streams. Catfish are a type of fish that are found in freshwater habitats. They are known for their long, slender bodies and their barbels, which are sensory organs that they use to find food. Barbs are a type of fish that are found in freshwater habitats. They are known for their sharp spines, which they use to defend themselves from predators.
Trout, salmon, and hilsa are not freshwater fish species. They are found in saltwater habitats. Shrimp, crab, and lobster are not freshwater fish species. They are found in saltwater habitats. Mackerel, tuna, and sardines are not freshwater fish species. They are found in saltwater habitats.