Raju, B. & Kingsly, H.J. & Lipton, A.P. (2005)
On a whale shark caught at Vizhinjam, Kerala.
Marine Fisheries Information Service, Technical and Extension Series, 184 . 16–
Lipton, A.P. & Raje, S.G. & Fotedar, R. & Singh, R. (1987)
Recovery of a ringed 'Dusky shark' Carcharhinus obscurus.
Marine Fisheries Information Service, Technical and Extension Series, 77, 21