The shark re-emerged the following year, and even though its photo ID and tag number matched their records, its dorsal fin did not look the same as the last time they saw it. When first spotted in ...

Allan Bogle put on his snorkelling gear to swim with dolphins in Portstewart Dolphins swimming alongside beachgoers and a thresher shark leaping ... markings on their dorsal fins.

For a small country, Wales has an abundance of coastline which attracts a wide variety of marine life due to our proximity to the Gulf Stream. Here's a guide to some of the more common species you ...

Dolphins with scars on their dorsal fins, mouth lines and bodies were studied using underwater imagery in order to detect possible interactions with fisheries and fishing gear in the Maui Nui region.