SURFACE marker buoys or safety sausages, as they are commonly called, should be part of every scuba diver's safety equipment. Queensland's Diving Regulations make carrying them compulsory.

Natural Resources Wales (NRW) staff working on a range of underwater monitoring projects on the Skomer Marine Nature Reserve have taken video footage of one seal playing with a surface marker buoy.

SURFACE marker buoys or safety sausages, as they are commonly called, should be part of every scuba diver's safety equipment. Queensland's Diving Regulations make carrying them compulsory.

SURFACE marker buoys or safety sausages, as they are commonly called, should be part of every scuba diver's safety equipment. Queensland's Diving Regulations make carrying them compulsory.

Natural Resources Wales (NRW) staff working on a range of underwater monitoring projects on the Skomer Marine Nature Reserve have taken video footage of one seal playing with a surface marker buoy.