Larvivorous Fishes A Measure For Mosquito Management!
Nature is magnificent, complete of varied, weird flora as properly as fauna. Some creatures are helpful for us whilst some generate hindrance for our wholesome residing. These disturbing components “mosquitoes” play a very vital part in creating our existence unhealthy. Mosquitoes are vectors of a number of conditions and carry parasites of malaria, filaria, yellow fever etc. They breed in all kinds of stagnant water and shallow weed infested ponds, swamps, pits, gutters and all other varieties of inland drinking water bodies. Diverse species of mosquitoes favor different areas for breeding. During final number of many years DDT and other insecticides have been employed for managing mosquito menace but these chemical compounds brought on numerous ill-effects on the human wellness.
Fish are a organic enemy of mosquito larvae and eggs consequently, is a great ecological signifies of bilogical manage practiced because olden occasions. Sveral species of refreshing h2o fishes have been utilized for controlling the population of mosquitoes. These fishes are termed as “LARVIVOROUS FISHES”. For a fish to be utilized as a larvivorous fish it must incorporate subsequent characters:
one. It considerably be of modest size so as to move freely,
2. It ought to be hardy fish,surviving in deep as properly as in shallow h2o,
three. It really should breed freely in confined waters,
four. It really should be a surface feeder and carnivorous in habit,
five. It should have no foods worth.
The eggs, larvae and grown ups of mosquitoes form outstanding foods for the fishes. Some fishes feed on mosquitoes throughout their life although other people prefer to feed on them for only a particular time period of their life. The fishes that feed on mosquitoes throughout their lifestyle are essentially employed for larvicidal purposes of bilogical control. There are many exotic as nicely as indigenous species of fishes that are good biocontrol agents.
ExoticSpecies
Caraassius auratus, Lebistes sp., Gambusia offinis.
Indigenous Species
Notopterus, Oxygaster, Danio, Anabas, Mugil and so forth.
Biological handle with the help of fishes is the most sensible and cheap technique. Fishes belonging to the loved ones Cyprinodontidae are most successful larvivorous fishes and fulfill all the characters that are needed for powerful mosquito handle. This practice of efficient biocontrol needs considerably a lot more efforts to be used on mass scale.
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