Lonar crater lake is a biogeographical natural wonder found in BuldhanaDistrict of Maharashtra state India. It is the world’s third largest meteoritic crater & only the saline water ecosystem in Basalt rock. It is situatedbetween latitude of 19058’ and longitude 76031’. The Lonar lake is India’s largest and Worlds third largest meteoritic crater. It is formed some 50,000 years ago (Lafoundand Dietz 1964). The peculiarity of the lake lies in the presence of abundant spirulina in the salt water, total absence of fishes, & the common acoustic animals, dominant water bird fauna, presence of funnel spiders on the ground& huge height of the trees (Deshpadnde R.P. 2019.)