gharial gavialis gangeticus or gavial or fish-eating crocodile sunbasking

gharial gavialis gangeticus gavial fish-eating crocodile sunbasking border pond fresh water reptiles found clean rivers like chambal flows madhya pradesh rajasthan uttar india highly endangered species facing challenges including illegal sand mining river pollution use pesticides agriculture fields cathcment area excess uncontrolled fishing pond india fishing wild wildlife sanctuary national dholpur fauna conservation