South Asian river dolphin May 2013 India's Ministry of Environment and Forests declared dolphins ‘non-human persons’ and as such has forbidden their captivity for entertainment purposes; keeping dolphins in captivity must satisfy certain legal prerequisites. South Asian river dolphin The South Asian river dolphin ("Platanista gangetica") is an endangered freshwater or river dolphin found in the region of South Asia which is split into two subspecies, the Ganges river dolphin ("P. g. gangetica")(~3,500 individuals) and the Indus river dolphin ("P. g. minor")(~1,500 individuals). The Ganges river dolphin is primarily found in the Ganges and Brahmaputra Rivers and their tributaries in Bangladesh, India and Nepal,
Endangered species either: D) Population size estimated to number fewer than 250 mature individuals. E) Quantitative analysis showing the probability of extinction in the wild is at least 20% within 20 years or five generations, whichever is the longer (up to a maximum of 100 years). There is data from the United States that shows a correlation between human populations and threatened and endangered species. Using species data from the Database on the Economics and Management of Endangered Species (DEMES) database and the period that the Endangered Species Act (ESA) has been in existence, 1970 to 1997, a table was created that