In 1985 and 1986 many greenlip abalone Haliotis laevigata near Edithburg in the St Vincent Gulf died. The protozoan parasite, Perkinsus olseni, was suspected to be the cause. We showed that Perkinsus olseni was seasonally abundant in greenlip from the edge of the die-back area. It was also common in...

There has been recent revitalization of the West Australian pearl culture industry to a stage where annual production is now worth about $40 million. Mortalities of pearl shell transported to the culture farms and concerns regarding the state of pearl oyster stocks stimulated a series of research...

The East Coast Tunas and Billfishes Research Program was funded by the Fishing Industry Research Trust Account (FIRTA F86/127) from July 1986 to June 1988. The objectives of the program were to identify the stock(s) exploited by the east coast tuna and billfish fisheries, examine the structure of...

This report was trying to establish, with one of the Japanese Companies who are longline fishing south of Tasmania, a contact so that in the future we can establish a radio contact and exchange fishing information so we can fish the same areas. Since the beginning of the FIRTA GRANT we have...