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
Foods Ducks Eat. Wild ducks eat a wide range of different foods and they are constantly foraging for meals and snacks. Foods ducks regularly eat include: 1  Small fish and fish eggs. 2  Snails, worms and mollusks.3  Small crustaceans. 4  Grass and weeds. 5  Algae and aquatic plants and roots. 6  Frogs, salamanders and other amphibians.oods Ducks Eat. Wild ducks eat a wide range of different foods and they are constantly foraging for meals and snacks. Foods ducks regularly eat include: 1  Small fish and fish eggs. 2  Snails, worms and mollusks. 3  Small crustaceans. 4  Grass and weeds.