Larvivorous Fishes A Measure For Mosquito Management!
Nature is superb, complete of diverse, weird flora as nicely as fauna. Some creatures are valuable for us whilst some generate hindrance for our nutritious residing. These disturbing aspects “mosquitoes” play a extremely critical position in producing our daily life unhealthy. Mosquitoes are vectors of many ailments and carry parasites of malaria, filaria, yellow fever and so forth. They breed in all sorts of stagnant water and shallow weed infested ponds, swamps, pits, gutters and all other sorts of inland drinking water bodies. Different species of mosquitoes favor diverse areas for breeding. For the duration of final couple of a long time DDT and other insecticides have been utilized for managing mosquito menace but these chemicals brought on a lot of unwell-results on the human well being.
Fish are a normal enemy of mosquito larvae and eggs consequently, is a great ecological signifies of bilogical control practiced considering that olden times. Sveral species of fresh new wa
ter fishes have been utilized for managing the population of mosquitoes. These fishes are termed as “LARVIVOROUS FISHES”. For a fish to be utilized as a larvivorous fish it should have following characters:
1. It considerably be of tiny size so as to move freely,
2. It should be hardy fish,surviving in deep as effectively as in shallow drinking water,
three. It should breed freely in confined waters,
four. It need to be a surface feeder and carnivorous in habit,
five. It really should have no meals benefit.
The eggs, larvae and adults of mosquitoes kind exceptional meals for the fishes. Some fishes feed on mosquitoes during their life although others desire to feed on them for only a specific period of their life. The fishes that feed on mosquitoes all through their existence are basically utilised for larvicidal reasons of bilogical control. There are numerous exotic as properly as indigenous species of fishes that are great biocontrol agents.
Exotic
Species
Caraassius auratus, Lebistes sp., Gambusia offinis.
Indigenous Species
Notopterus, Oxygaster, Danio, Anabas, Mugil and so on.
Biological management with the aid of fishes is the most sensible and low cost strategy. Fishes belonging to the family members Cyprinodontidae are most efficient larvivorous fishes and satisfy all the characters that are needed for successful mosquito management. This practice of powerful biocontrol desires significantly far more efforts to be used on mass scale.