Tim Fitzharris / Green Sea Turtle (Chelonia mydas) and Orange-striped Triggerfish (Balistapus undulatus), Apo Island, Philippines

Tim Fitzharris / Orange-striped Triggerfish (Balistapus undulatus) and snapper school, Miniloc Island, Palawan, Philippines

Georgette Douwma / Orange-lined triggerfish (Balistoides undulatus). North Sulawesi, Indonesia.

Georgette Douwma / Orange-lined triggerfish (Balistoides undulatus). North Sulawesi, Indonesia.

David Fleetham / Titan / Giant triggerfish (Balistoides viridescens) eating Parrotfish (Scaridae) while five orange-lined triggerfish (Balistapus undulatus) watch. Philippines.

Michael Pitts / Orange-striped triggerfish (Balistapus undulatus) and Sixspot groupers (Cephalopholis sexmaculata) on a sunken shipwreck, Maldives, Indian Ocean.

Juergen Freund / Orange striped triggerfish (Balistapus undulatus) hunting over coral reef, Bali, Indonesia.

Fred Bavendam / Orange-striped Triggerfish (Balistapus undulatus) with a clutch of freshly laid eggs, Bali, Indonesia

Fred Bavendam / Orange-striped Triggerfish (Balistapus undulatus), Bali, Indonesia

Birgitte Wilms / Magnificent Sea Anemone (Heteractis magnifica) swarmed by Damselfish (Dascyllus sp) with Orange-striped Triggerfish (Balistapus undulatus) in foreground

Birgitte Wilms / Orange-striped Triggerfish (Balistapus undulatus) and Damselfish (Dascyllus sp) in background, 50 feet deep, Red Sea, Egypt

Francis Abbott / Orange striped triggerfish on coral reef {Balistapus undulatus} Maldives