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
What Do Lizards Eat in the Wild. These lizards primarily eat soft-bodied insects (termites in particular) such as beetles, small terrestrial arachnids, and some other arthropods that are almost entirely nocturnal. Geckos typically prey these victims in the dark and they also eat their skin which they shed.