Lumbar Herniated Disc Video. 1  Learn how a lumbar disc herniates and can cause lower back pain. 2  Sciatica is leg pain caused by a problem in the low back. 3  See how a disc degenerates and how it can cause pain and other symptoms.
Salamanders are nocturnal and come out from their hiding places during moist nights to hunt for prey. Most species eat large amounts of invertebrates such as worms, insects and snails. A few species, like spring and red salamanders, will even eat other salamanders. Salamanders are equally important as food for many other animals, such as raccoons, opossums, bears, mink, river otter, frogs and snakes. In some places they are the most abundant vertebrate animals in the forest.
Some small salamanders are known to feed on insect larvae and invertebrates including Daplmin water fleas. Larval salamanders are known to eat themselves in captivity or when theyâre present in large numbers. Ambush Feeders. Hellbender and aquatic giant salamanders primarily feed on crayfish, small salamanders, and fish. They ambush their prey from beneath the log or rock.