Alex Mustard / School of Oriental sweetlips (Plectorhinchus vittatus) gather tightly together as they rest during the day, with a Clown triggerfish (Balistoides conspicillum) and Midnight snappers (Macolor macularis...

Magnus Lundgren / Wild Wonders of China / Clown triggerfish (Balistoides conspicillum) Green Island, Taiwan.

Alex Mustard / A portrait of a clown triggerfish (Balistoides conspicillum) on a coral reef. Misool, Raja Ampat, West Papua, Indonesia. Misool Marine Protected Area. Ceram Sea. Tropical West Pacific Ocean.

David Fleetham / Clown triggerfish (Balistoides conspicillum) Kandavu, Fiji.

Alex Mustard / Clown triggerfish (Balistoides conspicillum) between pair of Seafans (Melithaea sp.) Fiabacet Islands, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea.

Franco Banfi / Clown triggerfish (Balistoides conspicillum) Maldives, Indian Ocean

Brandon Cole / Clown triggerfish (Balistoides conspicillum) face profile, Indonesia, tropical Indo-Pacific Oceans.

Jeff Rotman / Tail of Clown triggerfish (Balistoides conspicillum) Great Barrier Reef, Australia

Jurgen Freund / Clown triggerfish (Balistoides conspicillum) swimming past coral reef, West New Britain, Papua New Guinea.

Georgette Douwma / Clown triggerfish (Balistoides conspicillum) on coral reef, Bali, Indonesia

Georgette Douwma / Clown triggerfish (Balistoides conspicillum) swimming over coral reef. Lembeh Strait, North Sulawesi, Indonesia

Georgette Douwma / Clown triggerfish (Balistoides conspicillum) Andaman Sea, Thailand

Brent Hedges / Clown triggerfish {Balistoides conspicillum} Papua New Guinea

Georgette Douwma / Clown triggerfish protecting eggs {Balistoides conspicillum} Sipadan, Borneo, Malaysia

Georgette Douwma / Clown triggerfish guarding its eggs {Balistoides conspicillum} Sipadan, Borneo, Malaysia

David Fleetham / Clown triggerfish (Balistoides conspicillum) and cleaner wrasse, Indonesia.

Pete Oxford / Clown Triggerfish (Balistoides conspicillum) and sea fan, Raja Ampat Islands, Indonesia