Aquaculture health, nutrition and genetics business Benchmark announced that Mark Plampin will step down from his current role of chief financial officer after nine years in the role.

The company has begun an external search for a successor, and a further announcement will be made in due course, according to a press release.

"I am proud of the significant milestones achieved during my time at Benchmark," said Plampin. "We now have a focused pipeline of products and the infrastructure in place to support the group's sustainable growth.