Amateur wildlife photographer Rhys Morgan has caught extraordinary footage of one of the largest whale species on Earth.
While sailing off the Pembrokeshire coast in Wales, Morgan and his friends spotted the blowholes of a fin whale in the distance, recognisable by the hooked fin near its tail, a dark grey upper body, white belly, and an asymmetrical jaw that is dark on the left and white on the right.
People who have enjoyed the video online are trying to raise awareness of fin whales being hunted in Iceland and calling on government ministers to take action