Jeff Rotman / Close up of mouth of a Stoplight parrotfish (Sparisoma viride) Bahamas, Caribbean

Fred Bavendam / Crescent-tail Bigeye (Priacanthus hamrur) in front of a sea fan, Uepi Island, Solomon Islands

Fred Bavendam / Crescent-tail Bigeye (Priacanthus hamrur), Lizard Island, Great Barrier Reef, Queensland, Australia

Shane Gross / Stoplight parrotfish (Sparisoma viride) eating algae on coral reef. Eleuthera, Bahamas.

Pascal Kobeh / Moontail bullseye (Priacanthus hamrur) shoal over coral reef. Flores Sea, Indonesia.

Linda Pitkin / Stoplight parrotfish (Sparisoma viride), male, biting coral rock (feeding on encrusting algae) Bonaire, Leeward Antilles, Caribbean.

Linda Pitkin / Queen parrotfish (Scarus vetula), terminal phase - male, on coral reef. Bonaire, Leeward Antilles, Caribbean.

Pete Oxford / Stoplight parrotfish (Sparisoma viride) on coral reef, Hol Chan Marine Reserve, Belize.

Alex Mustard / Portrait of a female Stoplight parrotfish (Sparisoma viride) hovering above a coral reef. Bucaneer Reef, Cayman Brac, Cayman Islands. Caribbean Sea.

Georgette Douwma / Stoplight parrotfish (Sparisoma viride), super male (will always remain male), terminal phase. Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.

Georgette Douwma / Queen parrotfish (Scarus vetula), terminal phase, grazing on coral. Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.

Georgette Douwma / Stoplight parrotfish (Sparisoma viride) terminal phase. Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.