Although Clostridium perfringens Type B is not considered a significant problem in the U.S.A., immunity may be provided against the beta and epsilon toxins elaborated by Cl. perfringens Type B. The immunity is derived from the combination of Type C (beta) and Type D (epsilon) fractions.
What do sea lampreys eat? A: Sea lampreys feed off the blood of large fish, including trout, salmon, whitefish, carp, catfish and sturgeon. The sea lamprey is native to the Atlantic Ocean but infiltrated the Great Lakes region in the 1920s and '30s during canal construction.
What Do Catfish Eat? Catfish species include channel cats, flathead catfish and bullheads. While some differences exist, most catfish are opportunistic feeders, and some are omnivores that include plant material in their diets along with animals. Catfish seek food anywhere along the water column, from the surface to the depths.