Fish Essay Example | Topics and Well Written Essays - 500 words

Fish - Essay Example The success of tilapia fishing has been its profitable aspect due to its omnivorous feeding habits, its rapid growth that allow high populations in the ponds, its high tolerance level allows the species to be harvested in large quantity (Halweil and Mastny, 56). The reason for tilapia farming is that its farming helps in the acquirement of Omega 6 and Omega 3 that are so important in the human body. Tilapia farming has also helped to reduce the disease occurrence of the fish species. Tilapia population in the world is around 1,500000 metric tonnes. Trout fish are a native fish of the north west America parts, but in the recent days they have been introduced into the rest of the world. The most cultivated trout are the rainbow trout due to its hardy species. It has been a successful farming because of the tolerability of the fish species in a wide range of temperatures (0-27ÌŠ C), trout fish are also farmed due to their ability to survive in fresh water. The population of trout in Britain is 16000 tonnes each year. The farming of trout in ponds and cages in the world has really helped in controlling its wild population because wild trout help in cleaning the river streams and oxygenation of the water (Halweil and Mastny, 63). Carp fish are of many different types such as common carp, grass carp among other types. Carp fish is a native fish from the Asia and Europe. Carp fish has a hurting effect on the other wild fish, this is because they interfere with the vegetation found on the sea bed, and hence other fish starve to death or migrate to other areas (Halweil and Mastny, 67). Fish farming has had a negative effect on the environment in the world. Most of the wet areas along the coast of the planets have been dried up as most of them are cleared in order to create space for putting up a fish farm. The mangrove vegetation is cut down for easy flow of water (Halweil and Mastny 2008). It is known that fish