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

GEORGETTE DOUWMA / Clown triggerfish guarding its eggs {Balistoides conspicillum} Sipadan, Borneo, Malaysia

Joel Sartore / Photo Ark / Clown triggerfish (Balistoides conspicillum) portrait, Pure Aquariums. Captive, occurs in Indo-Pacific.

Joel Sartore / Photo Ark / Clown triggerfish (Balistoides conspicillum) portrait, Pure Aquariums. Captive, occurs in Indo-Pacific.

Georgette Douwma / Tropical reef fish composite image on black background, Blue triggerfish (Pseudobalistes fuscus), Orangestripe triggerfish (Balistapus undulatus), Clown triggerfish (Balistoides conspicillum), Arabian...

Georgette Douwma / Triggerfish composite image on black background, Arabian picassofish (Rhinecanthus assasi), Orangestriped triggerfish (Balistapus undulatus), Titon triggerfish (Balistoides viridescens) with two juven...

Georgette Douwma / Yellow tropical reef fish composite image on black background, Falcula butterflyfish (Chaetodon falcula), Yellow boxfish (Ostracion cubicus), Golden butterflyfish (Chaetodon semilarvatus), Red Sea clo...

Georgette Douwma / Yellow tropical reef fish composite image on black background, Sailfin tang (Zebrasoma veliferum) juvenile, Pajama cardinalfish (Sphaeramia nematoptera), Three-spot angelfish (Apolemichthys trimaculat...

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

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...