Joel, J.J. & Ebenezer, I.P. (1999)
On the rare occurrence of a sawfish at Kanyakumari. Marine Fisheries Information Service, Technical and Extension Series, 161, 19–20

Pillai, S.K. & Joel, J.J. (1996)
Report on juvenile of whale shark landed along the southern part of the west coast of India. Marine Fisheries Information Service, Technical and Extension Series, 143, 27–28

Joel, J.J. & Ebenezer, I.P. & Prosper, A. (1994)
On a whale shark landed at Kovalam, Kanyakumari. Marine Fisheries Information Service, Technical and Extension Series, 131, 22

Joel, J.J. & Ebenezer, I.P. (1993)
Long-lining, specifically for sharks practised at Thoothoor. Marine Fisheries Information Service, Technical and Extension Series, 121, 5–8

Joel, J.J. & Ebenezer, I.P. (1991)
On a bramble shark with 52 embryos. Marine Fisheries Information Service, Technical and Extension Series, 108, 15

Lazarus, S. & Joel, J.J. & Philipose, K.K. & Vincent, S.G. (1988)
On five whale sharks landed along the Trivandrum-Kanyakumari coast. Marine Fisheries Information Service, Technical and Extension Series, 88, 19–20