I’d always been scared of these great creatures but while filming in the Azores, I jumped into the ocean amid a pod of whales – and met another sentient being
The extra-sensitive "saw" can sense electical impulses and movements in the water then pin a fish to the ground before and feast. A hunting sawfish can also slash their snout back and forth with enough force to split a fish in half. The sawfish's large snout is also part of it's decline, as it can easily become entangled in fishing gear
This is a ribbon eel, and it has a pretty unique life cycle. Each individual starts out black and male, and when they mature they turn bright blue and yellow and develop female sex organs. They start producing eggs once they reach around 1.3 metres long.