Editorial

• Changes.
  Simon Wilkinson

Genetics and biodiversity

• Resources and biodiversity of seahorses and the need for their conservation in India.
  K.R. Salin and Nair C. Mohanakumaran
• Captive breeding of pangasid catfish Pangasius pangasius with Ovaprim: An attempt towards sustainable seed production and conservation of wild populations.
  U.K. Sarkar, S.K. Paul, D. Kapoor, P.K. Deepak and S.P. Singh

Sustainable aquaculture

• Establishment of post-tsunami rehabilitation information units to facilitate coordination of effort in Thailand.
  Simon Wilkinson

People in aquaculture

• Peter Edwards writes on rural aquaculture: Poor farmers culture tilapia intensively in ponds in Central Luzon, Philippines.

Aquatic animal health

• Simple herbal treatment for epizootic ulcerative syndrome in murrels (snakehead).
  M.A. Haniffa, M. Dhanaraj, C. Muthu Ramakrishnan and R. Arthi Manju
• DNA vaccination and prophylactic measures in aquaculture health management
  A.S. Ninawe
• The role of immunostimulants in fish and shrimp aquaculture.
  Vishal S. Jadhav, Sajid I. Khan, Milind M. Girkar and Madhav J. Gitte

Research and farming techniques

• Red tilapia cage culture in central Thailand.
  Ben Belton, David Little and Jimmy Young
• Quality improvement of farmed fish in Iranian markets.
  Gholam Reza Shaviklo