Nick Upton / Shanny (Lipophrys pholis) in shallow rockpool on a falling tide, St. Bees, Cumbria, UK, July

Nick Upton / Shanny (Lipophrys pholis) in small rockpool on a falling tide, St. Bees, Cumbria, UK, July

Nick Upton / Shanny (Lipophrys pholis) in small rockpool on a falling tide, St. Bees, Cumbria, UK, July

Nick Upton / Shanny (Lipophrys pholis) in small rockpool on a falling tide, St. Bees, Cumbria, UK, July

Nick Upton / Close up view of Shanny (Lipophrys pholis) in shallow rockpool on a falling tide, St. Bees, Cumbria, UK, July

Nick Upton / Close up view of Shanny (Lipophrys pholis) in small rockpool on a falling tide, St. Bees, Cumbria, UK, July

Nick Upton / Shanny (Lipophrys pholis) in small rockpool on a falling tide, St. Bees, Cumbria, UK, July

Constantinos Petrinos / Longsnout seahorse {Hippocampus reidi} Bonaire, Caribbean

Constantinos Petrinos / Star puffer on sea bed {Arothron stellatus} Sulawesi Indonesia

Doug Perrine / Spotfin butterflyfish {Chaetodon ocellatus} Islamorada, Florida Keys, USA (Non-ex).

Constantinos Petrinos / Titan triggerfish hunting {Balistoides viridescens} - stirs up sand by blasting stream of water at seabed to expose prey. Lembeh Strait, North Sulawesi Indonesia

Constantinos Petrinos / Juvenile Longhorn cowfish {Lactoria cornuta} less than 2cm long Sulawesi Indonesia. Indo Pacific