1. W. A. Khan, H. B. Bhagat, IUCN Otter Spec. Group Bull. 27, 89 (2010).
2. K. M. Sheikh, S. Molur, “Status and Red List of Pakistan's Mammals, Based on Conservation Assessment and Management Plan” ([International Union for Conservation of Nature (IUCN) Pakistan, 2005).
3. CITES Secretariat “Convention on International Trade in Endangered Species of Wild Fauna and Flora: Appendices I II and III: Valid from 25 November 2023” ( 2023).
4. S. Stevens, J. F. Organ, T. L. Serfass, Proceedings of Xth International Otter Colloquium, IUCN Otter Specialist Group Bulletin A, 28 (2011), pp. 150–161.
5. Otters