Tag Archives: seabed

In the world of stratigraphy, or rock layers, superficial sediments are usually younger than the deeper ones they settle upon. The North Sea, however, has revealed giant mounds of sand that defy this geological principle on a scale scientists have never seen before. Researchers from Norway and the UK have identified hundreds of sand bodies under the North Sea that …

A marine biologist has shared a glimpse into how epaulette sharks get around – using their pectoral and pelvic fins to walk along the seafloor.  “And that is why they are called ‘walking sharks’,” says Jacinta Shackleton on Instagram. Shackleton captured the remarkable video of a juvenile epaulette shark (Hemiscyllium ocellatum) exploring the reef while she was working at Lady Elliot Island eco resort on …