Blind Gollum Snakehead Kerala Aquifers | Subterranean Research
Explore the discovery of the blind Gollum snakehead fish in Kerala aquifers, a living fossil from new subterranean biodiversity research led by Indian universities like KUFOS.

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Rajeev Raghavan serves as Assistant Professor in the Department of Fisheries Resource Management at the Kerala University of Fisheries and Ocean Studies (KUFOS) in Kochi, India. His academic background includes studies at St. Albert's College, the University of Madras, the Wuhan Institute of Hydrobiology, and the University of Kent. Raghavan holds a PhD in Fish Physiological Ecology. His research centers on freshwater fish conservation, fish systematics, molecular ecology, and inland fisheries, with a focus on the Western Ghats Biodiversity Hotspot and the Indian subcontinent. He has authored more than 200 publications and maintains an h-index of 34 with over 4,500 citations.
Raghavan has discovered and described 22 new species of freshwater fish and one new species of freshwater shrimp, along with three new genera of fish, one new genus of shrimp, and two new families of freshwater fish. Notable findings include the world's largest cave fish and the world's only subterranean snakehead fish. He is the South Asia Chair of the IUCN Freshwater Fish Specialist Group and serves as IUCN Freshwater Fish Red List Authority Coordinator for Asia and Oceania. In 2023, he became the first recipient from Asia of the Fisheries Society of the British Isles (FSBI) Medal for exceptional contributions to fish biology and fisheries. Raghavan has been included in the Stanford University–Elsevier/Scopus World's Top 2% Scientists list for multiple consecutive years. Two fish species have been named in his honor. He holds board positions with organizations including the Mahseer Trust, SHOAL Conservation, Freshwater Life, and the Fisheries Conservation Foundation.
Explore the discovery of the blind Gollum snakehead fish in Kerala aquifers, a living fossil from new subterranean biodiversity research led by Indian universities like KUFOS.
Explore the discovery of Gitchak nakana, a blind loach from Assam aquifers, led by researchers from Assam Don Bosco University and KUFOS. Insights into research, adaptations, and conservation.