Here are the winning entries in each of the categories of the 2019 photo competion.
- A sail fin tang, photographed by Sophie Hastie, won the specimen fish category
- The sharks and rays category was won by Richard Talbot with this nurse shark
- The anemones category was won by Chris Hastie with this jewel anemone, photographed in the Isles of Scilly
- The seahorse category was won by Miles Howarth with this ornate pipe fish
- Banner fish won the shoaling fish category for Miles Howarth
- The seal category was won by Angie Deaves
- Jon Arthur won the scorpion fish category
- Miles Howarth won the clown fish category
- Sophie Hastie won the turtle category with this pic
- Daniel Rowe won the people under water category with this selfie reflection in a bubble, which also won the people’s choice
- These Christmas tree worms by Jon Arthur won the statics and reef category
- David Williams won the jellyfish category