Ocean explorer captures the incredible moment a school of fish forms a vortex under water (2)

All of the images in this set were taken during a single breath-hold and the fish were happy to hang around for the photo opportunity

The Canadian conservationist said: 'We saw some extraordinary sights and had some amazing encounters while diving on a breath-hold. The images, all taken with natural light, show just what can happen when you create a protected area and manage it effectively'

Winram explained that he witnessed an increased in biomass, size and numbers of marine creatures since he last visited 25 years ago but conceded that some of the bigger specimens had been fished out of the waters