Professor Surendra Nath M.Sc. (Lucknow), Ph.D (Kanpur), F.Z.S.I., F.A.Z., F.S.I.H., M.N.A.Sc., M.I.S., (Japan) was born at Srinagar in Kashmir in July 1940. After his graduation from the then Jammu & Kashmir University in 1959, he was nominated by the Government of Jammu and Kashmir to Lucknow University for pursuing M.Sc. zoology course. He obtained his M.Sc. degree from Lucknow University in 1962. Soon after he joined the J. & K. State College Education Department as a lecturer in zoology (in October 1962) and has served in various <><> colleges of the state, viz. Govt. Women’s College, Parade ground, Jammu; Govt. Degree College, Poonch; and Govt. Degree College, Sopore . He was promoted as Professor of Zoology in March 1975 and in 1976 deputed to the Islamia College of Science & Commerce, Srinagar as Professor & Head, Department of Zoology. He continued to hold that office up to July 1990, after which he migrated to Jammu and taught Zoology to the Kashmir migrant students of Kashmir valley till his retirement from Govt. service in July,1998. After taking up Govt. service in 1962 he started pioneering researches on the systematics and bioecology of the fishes of Jammu & Kashmir States under the guidance of Professor S.M.Das, Head of the Post-Graduate Dept. of Zoology, Jammu & Kashmir University, Srinagar, and has authored more than 200 original research papers, some of them in collaboration with Professor S.M.Das. He was awarded Ph.D. degree in Zoology in 1991 by the University of Kanpur for his thesis entitled “ Studies on the systematics, ichthyogeography and bioecology of fishes of Jammu Province, J. & K. state, India” Professor Surendra Nath is an active member of several leading scientific societies such as the National Academy of Sciences, India, The Ichthyological Society of Japan, The Bombay Natural History Society, The Academy of Zoolgy, Agra, the Acdemy of Ichthyology, The Indian Society of Ichthyologists, Madras, The Zoological Society of India, The Zoological Society, Calcutta , The Entomological Society of India, and the Indian Science Congress Association, Calcutta. His other works include: The Aphididae of North-West India with special reference to the aphids of Kashmir; Babesiosis and allied infectious diseases of livestock; Food, feeding habits and alimentary canal of fishes; Wonders of the deep seal, (in collaboration with Professor S.M.Das), Recent Advances in Fish Ecology, Limnology and Eco-conservation (vol. I to viii); etc