Georgette Douwma / Taylor's pygmy leatherjacket (Brachaluteres taylori). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Leatherjacket / Skip Jack (Oligoplites saurus) and shoal of small fish around pilons beneath the 2km long Busselton Jetty. Busselton, Western Australia

Sergio Hanquet / Scrawled filefish (Aluterus scriptus) above sea floor, several fish in background. El Hierro, Canary Islands.

Nick Upton / Rook (Corvus frugilegus) with leatherjacket (Tipulidae) extracted from the ground by probing coastal grassland with its beak, Cornwall, UK, April.

Magnus Lundgren / Wild Wonders of China / Scribbled filefish (Aluterus scriptus) Xiaoliuqiu Island, Taiwan

Nigel Cattlin / Marsh crane fly (Tipula oleracea) larva / leatherjacket attacking cereal plant, Wheat (Triticum aestivum), at soil level.

Georgette Douwma / Taylor's inflator filefish / Taylor's Pygmy Leatherjacket (Brachaluteres taylori) with a small amphipod, next to ascidian. West Papua, Indonesia. Indo-West Pacific.

Ralph Pace / Scrawled Filefish (Aluterus scriptus) trio, Saba Island, Caribbean

Georgette Douwma / Mimic leatherjacket (Paraluteres prionurus). North Sulawesi, Indonesia.

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

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

David Fleetham / Scrawled filefish (Aluterus scriptus), two in coral reef. Hawaii.