1 Back problems. 2  Spine problems in the back near the lower ribs can pinch the nerves that travel through the groin area and cause groin and thigh pain. 3  Spine problems include a herniated disc or lumbar narrowing (stenosis).
Fish diets are determined by which organisms are readily available in the fish's habitat. Some larger fish eat smaller fish and sometimes are cannibalistic, eating smaller fish of their own species. Catfish in the wild swim along the bottom of rivers and eat dead fish, animal feces and just about anything they can find. Learn more about Fish
Answer Wiki. 1 Answer. , Aquaculturist since 1985. Fish prefer to eat what they normally eat in nature. You will need to find the life history of the fish in question. The life history gives an idea of the types of natural food for each species. There is another way to guess what a fish normally eats in the wild.