Alex Mustard / Portrait of a striped triplefin (Helcogramma striatum) sitting on top of a coral. Menjangan Island, Bali, Indonesia. Java Sea

Franco Banfi / Blue lined blenny (Helcogramma striata) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Franco Banfi / Neon triplefin (Helcogramma striata) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Alex Mustard / Fusiliers including, Neon fusilier (Pterocaesio tile) and Randall's fusilier (Pterocaesio randalli) race past a coral reef in open water. East Of Eden, Similan Islands, Thailand. Andaman Sea, Indian...

Alex Mustard / Blue and yellow fusilier (Caesio teres) and Neon fusilier (Pterocaesio tile) over a coral reef. Sardine Reef, Raja Ampat, West Papua, Indonesia. Dampier Strait, tropical West Pacific Ocean.

Alex Mustard / Cleaner goby (Elacatinus genie) waiting for fish on a brain coral. North Wall, Grand Cayman, Cayman Islands. Caribbean Sea.

Alex Mustard / Nassau grouper (Epinephelus striatus) cleaned by Cleaner gobies (Gobiosoma genie) and juvenile Spanish hogfish (Bodianus rufus) on a coral reef. Bloody Bay Wall, Little Cayman, Cayman Islands. Caribbe...

Franco Banfi / Redhead goby (Elacatinus puncticulatus) Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Peter Lewis / Brighton Pier, neon sign at night, Sussex, England, UK. October 2011.

Claudio Contreras / Neon Dwarfgoby (Eviota pellucida), Inanuran Island, Danajon Bank, Central Visayas, Philippines, April

Franco Banfi / Neon triplefin (Helcogramma striata) Maldives, Indian Ocean