Natural phenomena that cause shifts in global climate are changes in Earthâs orbital cycles, volcanic eruptions, variations in solar activity, movement of tectonic plates, and the atmospheric-ocean pattern in the tropical Pacific Ocean, known as El Nino-NiÃ±o Southern (OSCILLATION). enso
rating newest oldest best answer most adult lampreys are parasitic sucking the blood of other fishes the horny teeth set in the circular jawless mouth attach to the prey and the lamprey feeds as it is carried along lampreys have an anticoagulant in the saliva that keeps the blood of the victim fluid some freshwater lampreys eat flesh as well as blood source s http www encyclopedia com doc 1e1 lamp
Some people do have good luck with algae eaters, but it can really be luck of the draw. Not all species of fish sold as algae eaters do eat algae, and some can't eat algae. Even the ones that do eat algae are really unlikely to eat enough algae to make a difference in the algae growth in your aquarium.Selling fish to eat algae is one of the common myths and misconceptions about fish and aquarium keeping in the pet trade. Make sure that the tank receives no direct sunlight. 2  Direct sunlight, even for a short time or only on part of the tank will encourage algae growth, especially where the light hits the tank. 3  Don't overfeed the fish.