Adrian Davies / Parrot waxcap fungus (Hygrocybe psittacina) underside showing gills. Surrey, UK, November.

David Kjaer / Parrot waxcap (Hygrocybe psittacina) Wiltshire, UK

Nick Upton / Lynx spider (Oxyopes heteropthalmus) hunting for insect prey on Cretan oregano flowers (Origanum onites), Lesbos / Lesvos, Greece, May.

Andy Sands / Spider (Oxyopes heteropthalmus) female on fir cone this spider is only found on mature heathland, Surrey, England, UK, July

Jeff Rotman / Redfish (Lutjanus dentatus) carcass scavenged by Baltic Isopods (Idotea balthica) Cape Ann, Massachusetts, USA.

Russell Cooper / Parrot waxcap fungi (Hygrocybe psittacinus) growing from dewy grassland. South-west London, UK, November.

Pascal Kobeh / Mexican goatfish (Mulloidichthys dentatus) and Blue-and-gold snappers (Lutjanus viridis) in a feeding frenzy over Triggerfish eggs, Baja California peninsula, Mexico. Sea of Cortez.

Claudio Contreras / Mexican goatfish (Mulloidichthys dentatus) with Barberfish (Johnrandallia nigrirostris) which act as cleaner fish, Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Sandesh Kadur / Diana Tarsier (Tarsius dentatus) Tompotika Peninsula, Sulawesi, Indonesia. Vulnerable species.

Sandesh Kadur / Diana Tarsier (Tarsius dentatus) Tompotika Peninsula, Sulawesi, Indonesia. Vulnerable species.

Alex Mustard / 2020VISION / Small-headed clingfish (Apletodon dentatus) on kelp frond, Loch Carron, Scotland, UK, April

John Cancalosi / Fossil fish (Diplomystis dentatus). Sample from Green river formation: Eocene, Wyoming, 50 million years old.