Alex Mustard / 2020VISION / Looking up through water at boy dipping in a rock pool with a shrimping net. Falmouth, Cornwall, England, UK. Model released, July

Alex Mustard / 2020VISION / Young Grey seal (Halichoerus grypus) exploring an underwater cave, Lundy Island, Devon, UK, English Channel, June. Winner, 'Habitat' category, British Wildlife Photography Awards (BWPA) competition 20...

Alex Mustard / 2020VISION / Devonshire cup coral (Caryophyllia smithii) photographed under deep blue light to reveal its fluorescent pigments, showing up as green in this photo. Plymouth Sound, Devon, UK, English Channel, July

Alex Mustard / 2020VISION / Detail of Plumose anemone (Metridium senile) in its retracted state at slack water when it is not feeding. Plymouth Sound, Devon, England, UK, English Channel, July

Adrian Davies / Fossil Forest at Lulworth Cove, Isle of Purbeck, Dorset, England.

Alex Mustard / 2020VISION / Two male Common cuttlefish (Sepia officinalis) compete for a female (on right) during courtship, Torbay, Devon, UK, May. 2020VISION Exhibition. 2020VISION Book Plate. Did you know? Cuttlefish have an...

Alex Mustard / 2020VISION / Grey seal (Halichoerus grypus) surfacing beneath cliffs, Lundy Island, Devon, UK, June. Did you know? The grey seal is one of the rarest seals in the world, and the UK holds around 40% of the world po...

Alex Mustard / 2020VISION / Aggregation of Spider crabs (Maja squinado) in shallow water off Burton Bradstock, Dorset, UK, August. 2020VISION Book Plate.

Alex Mustard / 2020VISION / Pair of Common cuttlefish (Sepia officinalis), female in front of male, during spring spawning season, Babbacombe Bay, Torbay, Devon, UK, May

Alex Mustard / 2020VISION / Portrait of Tompot blenny (Parablennius gattorugine) male in bright breeding colours, Swanage Pier, Dorset, UK, July

Alex Mustard / 2020VISION / Lesser spotted catshark / Dogfish shark (Scyliorhinus canicula) hiding amongst seaweeds, Babbacombe Bay, Devon, UK, April. Did you know? There are at least 21 native British sharks.

Alex Mustard / 2020VISION / Bed of Common mussels (Mytilus edulis) growing on rocks, feeding, Megavissey, Cornwall, UK, May.