Georgette Douwma / Guineafowl puffer fish (Arothron meleagris) also known as the Golden puffer or Spotted puffer because is has three colour phases which differ dramatically. Maldives, Indian Ocean

Alex Mustard / Sharpnose puffer (Canthigaster rostrata) portrait with the eyes standing out against a dark background, East End, Grand Cayman, Cayman Island, British West Indies, Caribbean Sea.

Juergen Freund / Vendors selling fish (including Pufferfish) in the Wangi Wangi afternoon public market. Wakatobi, Sulawesi, Indonesia, November 2009.

Juergen Freund / Detail eye and skin of a Pufferfish, West Papua, Indonesia.

Juergen Freund / Giant / Map pufferfish (Arothron mappa) swimming in the reef. Misool, Raja Ampat, West Papua, Indonesia, January

Juergen Freund / Close up of face of inflated pufferfish {Arothron sp}, Indo-Pacific

Jeff Rotman / Black Blotched Porcupinefish (Diodon liturosus) inflated swimming in open ocean. Sipadan Islands, South China Sea.

Juergen Freund / Pufferfish (Arothron) inflated Indo-Pacific

Fred Bavendam / Porcupinefish (Diodon nicthemerus) swallows water to puff itself up and points its spines outward as a defense against predators, South Australia

Jeff Rotman / Pufferfish sleeps in Gorgonia coral at night. Borneo, Sipadan Island.

Michele Westmorland / Blue-spotted Puffer, (Arothron caeruleopunctatus), Palau, Micronesia.

Georgette Douwma / Greenspotted pufferfish (Canthigaster janthinopera) feeding on a dead Redtooth triggerfish (Odonis niger). Many dead and dying fish on coral reefs in the Maldives in April 2012, cause unknown, Maldive...

Georgette Douwma / Guineafowl puffer fish (Arothron meleagris) also known as the Golden puffer or Spotted puffer because is has three colour phases which differ dramatically. Maldives, Indian Ocean

Georgette Douwma / Black spotted puffer (Arothron nigropunctatus)Andaman Sea, Thailand.

MYN / Paul Marcellini / Sharpnose puffer fish (Canthigaster rostrata) juvenile, Biscayne National Park, Florida, USA, January. meetyourneighbours.net project

Claudio Contreras / Sharpnose Pufferfish (Canthigaster rostrata). Cancun National Park, Caribbean Sea, Mexico.

Alex Mustard / Sharpnose puffer (Canthigaster rostrata) male displaying bright colours including a bright blue flap on skin on his chin, West Indies, Caribbean Sea.

Pete Oxford / Sharpnose puffer (Canthigaster rostrata) Bonaire, Netherlands Antilles, Caribbean

Georgette Douwma / Black Spotted Pufferfish (Arothron nigropunctatus). Raja Empat, West Papua, Indonesia.

Juergen Freund / Blue-spotted pufferfish (Arothron caeruleopunctatus) in a reef crevice, Sipadan, Sabah, Malaysia.

Juergen Freund / Young juvenile Star pufferfish (Arothron stellatus) on the sand. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Papuan Toby pufferfish (Canthigaster papua) Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Starry puffer (Arothron stellatus) getting cleaned by a wrasse. Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Toby pufferfish (Canthigaster sp.), close-up of the head. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Papuan Toby pufferfish (Canthigaster papua) swimming by reef corals, Lembeh Strait, Sulawesi, Indonesia, October

Juergen Freund / Giant / Star pufferfish (Arothron stellatus) at coral reef, Misool, Raja Ampat, West Papua, Indonesia, January

GEORGETTE DOUWMA / Scribbled / Map pufferfish (Arothron mappa), juvenile hunting on seabed. Lembeh Strait, North Sulawesi, Indonesia.

Pete Oxford / Guineafowl Puffer (Arothron meleagris) Wolf Island in the northern archepelago, Galapagos Islands, Equador, South America

Sue Daly / Eye of Toby / Pufferfish (Canthigaster sp) Lembeh Straits, Sulawesi, Indonesia

Sue Daly / Eye of Bristley pufferfish / Toby fish (Arothon hispidus) Lembeh Straits, Sulawesi, Indonesia

Sue Daly / Black-spotted pufferfish (Arothon nigropunctatus) Lembeh Straits, Sulawesi, Indonesia

Sue Daly / Blue-spotted pufferfish (Arothon caeruleopunctatus) Lembeh Straits, Sulawesi, Indonesia

GEORGETTE DOUWMA / Scribbled / Map puffer (Arothron mappa), juvenile amongst coral, Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Black-saddled puffer (Canthigaster valentini) hiding in soft coral xeania. Komodo, Indonesia.

GEORGETTE DOUWMA / Masked puffer (Arothron diadematus) with Bluestreak cleaner wrasse (Lutjanus dimidiatus). Egypt, Red Sea.

GEORGETTE DOUWMA / Masked puffer (Arothron diadematus) with Bluestreak cleaner wrasse (Lutjanus dimidiatus). Egypt, Red Sea.

GEORGETTE DOUWMA / Valentine's puffer (Canthigaster valentini) Misool, Raja Ampat, West Papua, Indonesia.

Georgette Douwma / Pufferfish (Arothron sp) within coral, Rinca, Indonesia.

Jeff Rotman / Guineafowl pufferfish (Arothron meleagris) inflated with water for defence, near coral wall, Pacific Ocean, Galapagos Islands

Fred Bavendam / Porcupinefish (Diodon nicthemerus), Edithburg, Australia

GEORGETTE DOUWMA / Star puffer (Arothron stellatus) Andaman Sea, Thailand.

GEORGETTE DOUWMA / Black spotted pufferfish (Arothron nigropunctatus) Misool, Raja Ampat, West Papua, Indonesia.

GEORGETTE DOUWMA / Star puffer (Arothron stellatus) Andaman Sea, Thailand.

GEORGETTE DOUWMA / Black spotted pufferfish (Arothron nigropunctatus) Misool, Raja Ampat, West Papua, Indonesia.

Pete Oxford / Guineafowl Pufferfish (Arothron meleagris) in its golden phase, off Wolf Island in the northern archepelago, Galapagos Islands, Ecuador, South America

Pete Oxford / Bullseye or concentric Pufferfish (Sphoeroides annulatus) shoal off Gardner Island, off Floreana Island, Galapagos Islands, Ecuador, South America

Georgette Douwma / Black spotted pufferfish (Arothron nigropunctatus). Rinca, Indonesia

GEORGETTE DOUWMA / Whitespotted puffer / Toby fish (Arothron hispidus) feeding on a Comb starfish (Astropecten polyacanthus) Bali, Indonesia

GEORGETTE DOUWMA / Whitespotted puffer / Toby fish (Arothron hispidus) feeding on a Comb starfish (Astropecten polyacanthus). Bali, Indonesia

Georgette Douwma / Star pufferfish (Arothron stellatus) juvenile. Rinca, Indonesia

GEORGETTE DOUWMA / Map pufferfish (Arothron mappa) on reef with Cleaner wrasse (Labroides dimidiatus). Papua New Guinea

GEORGETTE DOUWMA / Star puffer (Arothron stellatus), Andaman Sea, Thailand

Jane Burton / Snorkeler holding inflated Pufferfish {Chilomycterus schoeffi} Caribbean

Jane Burton / Pufferfish {Tetraodon palembangensis} captive, from Indo-Pacific

Doug Perrine / Bullseye pufferfish {Sphoeroides annulatus} Galapagos

GEORGETTE DOUWMA / Blackspotted pufferfish (Artothron nigropunctatus) on reef, Bali, Indonesia

Juergen Freund / Orbicular burrfish / Pufferfish (Cyclichthys orbicularis) inflated for defense, Indo-Pacific

Juergen Freund / Fish around pilon beneath the 2km long Busselton Jetty. Busselton, Western Australia

Juergen Freund / White barred boxfish (Anoplocapros lenticularis) amongst corals beneath Busselton Jetty. Busselton, Western Australia

Juergen Freund / Schooling pufferfish (Tetradontidae) and diver under the 2km long Busselton Jetty. Busselton, Western Australia

Juergen Freund / Diver behind school of pufferfish close to the HMAS Swan wreck, Dunsborough, Western Australia

GEORGETTE DOUWMA / Masked pufferfish (Arothron diadematus). Red Sea, Endemic

Jeff Rotman / Guineafowl Pufferfish (Arothron meleagris) inflated as defensive action. Cocos Island, Costa Rica, Pacific Ocean.

Jeff Rotman / Porcupinefish (Diodon hystrix) close-up of spines. Egypt, Red Sea.

Nature Production / Grass Pufferfish {Takifugu niphobles} laying eggs in shallow water, Chiba, Japan

Florian Graner / Guineafowl pufferfish, yellow phase (Arothron meleagris) Cocos Island, Costa Rica

Peter Scoones / Black spotted pufferfish (Arothron nigropunctatus) Andaman Sea, Thailand

Brent Hedges / Narrow-lined / Manila pufferfish (Arothron manilensis) Papua New Guinea

Brent Hedges / Head profile of Starry puffer {Arothron stellatus}, Heron Island, Great Barrier Reef, Australia

GEORGETTE DOUWMA / Starry puffer {Arothron stellatus}, Sipadan, Sabah, Malaysia

GEORGETTE DOUWMA / Black-saddled puffer {Canthigaster valentini} with seasquirts {Polycarpa aurata} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Fine-spotted puffer / toby {Canthigaster compressa} male, Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Black-saddled puffer / Valentine's sharpnose pufferfish {Canthigaster valentini} with Seasquirts {Polycarpa aurata} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Pufferfish {Arothron sp.} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Blackspotted puffer {Arothron nigropunctatus} with Cleaner wrasse, Andaman Sea, Thailand.

GEORGETTE DOUWMA / Whitespotted puffer / Toby fish {Arothron hispidus} on sea floor, Borneo, Indonesia, Indo-Pacific. Viscera, gonads and skin are highly toxic.

GEORGETTE DOUWMA / Pufferfish {Arothron sp.} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} lying next to Ceranthid anemone, Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} lying next to Ceranthid anemone where shrimps have set up a cleaning station. Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Balloon fish / Fine-spotted porcupinefish (Diodon holocanthus) Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Fine-spotted puffer (Canthigaster compressa) male and female. Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Manila puffer (Arothron manilensis) Lembeh Strait, North Sulawesi, Indonesia

Doug Perrine / Web burrfish {Chilomycterus antillarum} hiding in Barrel sponge {Xestospongia muta} FL,

Brent Hedges / Globe fish {Diodon nichthemerus}, NSW, Australia.

Pete Oxford / Pacific burrfish {Chilomycterus reticulatus} Galapagos.

GEORGETTE DOUWMA / Masked puffer {Arothron diadematus} Red Sea - skin & reproductive organs contain tetrodotoxin

Fred Bavendam / Porcupinefish (Diodon nicthemerus) swallows water to puff itself up and points its spines outward as a defense against predators, South Australia

GEORGETTE DOUWMA / Starry Puffer on sea bed {Arothron stellatus} Sipadan, Sabah, Malaysia

Juergen Freund / Sharpnose pufferfish swimming over coral {Canthigaster sp} Philippines

Jeff Rotman / Masked Pufferfish {Arothron diadematus} inflated and hiding in coral, Red Sea, Egypt

Jeff Rotman / Masked Pufferfish {Arothron diadematus} inflated with water, Red Sea, Egypt

Jeff Rotman / Masked Pufferfish inflated with water at night, Red Sea, Egypt {Arothron diadematus}

Jeff Rotman / Yellow pufferfish face close-up (Arothron nigropunctatus) Galapagos

Juergen Freund / Toby fish {Arothron hispidus} aka Death pufferfish. Underwater Indo Pacific