The Gangetic dolphin, scientifically known as Platanista gangetica, is designated as the national aquatic animal of India due to its ecological significance and the role it plays in maintaining the health of river ecosystems. This designation is also aimed at raising awareness about biodiversity conservation and the threats faced by this endangered species, primarily from habitat degradation, pollution, and fishing activities. In the context of UPSC Prelims GS Paper I, understanding such national symbols is important as they reflect broader themes of environmental conservation and biodiversity, crucial topics in the Indian context.