Timingila
The Timingilam (Sanskrit: तिमिंगिलम्) is a huge mythological aquatic creature that can swallow whole whales in one bite, as written about in the Mahabharata (Vana Parva 168.3).
The Timingilam is also mentioned in Srimad Bhagavatam (12.9.16), Ramayana (Yuddha-kanda 4.114), Susruta Samhita (Ch.45), and Caitanya-caritamrta (Madhya-lila 13.142).
However, in Tamil language, Timingilam refers to whales.