Nick Garbutt / Sumatran pit viper (Trimeresurus sumatranus) juvenile on tree trunk, in tropical rainforest. Danum Valley, Sabah, Borneo, Malaysia.

Georgette Douwma / Shortfin lionfish (Dendrochirus brachypterus). Lembeh Strait, North Sulawesi, Indonesia.

Guy Edwardes / Mozambique spitting cobra (Naja mossambica) spitting venom. Kruger, South Africa. Controlled conditions.

Nick Garbutt / Green-and-Black Poison Dart Frog (Dendrobates auratus) inside bromiliad where it breeds. Boca Tapada, Caribbean slope, Costa Rica, Central America.

Daniel Heuclin / Sunda island pitviper (Trimeresurus insularis) in tree, Komodo Island.

MYN / JP Lawrence / Blue poison dart frog (Dendrobates tinctorius azureus) portrait, captive. Meetyourneighbours.net project

MYN / JP Lawrence / Strawberry poison frog (Oophaga pumilio) Escudo de Veraguas, Panama. Meetyourneighbours.net project

MYN / JP Lawrence / Lovely poison frog (Phyllobates lugubris) male with a tadpole, Isla Colon, Panama, June. Meetyourneighbours.net project

MYN / JP Lawrence / Dyeing poison frog (Dendrobates tinctorius) captive, occurs in Guiana, Suriname, Brazil, and French Guiana. Meetyourneighbours.net project

MYN / JP Lawrence / Dyeing poison frog (Dendrobates tinctorius) captive, occurs in Guiana, Suriname, Brazil, and French Guiana. Meetyourneighbours.net project

Robert Thompson / Fly agaric (Amanita muscaria) Peatlands Park, County Armagh, Ireland, October.

Juergen Freund / Paralytic tick (Ixodes holocyclus) with engorged body on human hand, this species affects many species, Spectacled flying fox (Pteropus conspicillatus) among them and infects them with a toxin that ca...

Michael D. Kern / Two Dyeing dart frogs (Dendrobates tinctorius) against background, captive occurs in Guiana, Suriname, Brazil, and French Guiana. Available for on-line use only.

Chris Mattison / Yellow poison dart frog (Phyllobates terribilis) the world's most poisonous amphibian captive from northern South America.

Chris Mattison / Yellow poison dart frog (Phyllobates terribilis) the world's most poisonous amphibian captive from northern South America.

Terry Whittaker / 2020VISION / Parasol mushrooms (Lepiota procera), Richmond Park, London, England, UK, September. Did you know? One way to identify mushrooms is the colour of the spores, for example this mushroom's spores are whit...

Daniel Heuclin / Hooded pitohui (Pitohui dichrous) perched in tree, poisonous bird, Papua-New-Guinea.

Pete Oxford / Upside down Jellyfish (Cassiopeia sp) Jardines de la Reina National Park, Cuba, Caribbean

Jeff Rotman / Poisonous dorsal spines of Tassled scorpionfish (Scorpaenopsis oxycephalus) Red Sea, Egypt

Sandesh Kadur / King cobra (Ophiophagus hannah) cannibalism, male swallowing female on forest floor, Agumbe, Karnatka, India

Sandesh Kadur / King cobra (Ophiophagus hannah) hatching from egg, captive, Agumbe, Karnatka, India

Sandesh Kadur / Young King cobra (Ophiophagus hannah) hatchling climbing branch with cup fungus, captive, Agumbe, Karnatka, India

Sandesh Kadur / King cobra (Ophiophagus hannah) male and female courtship, Agumbe, Karnatka, India, captive

Sandesh Kadur / King cobra (Ophiophagus hannah) with hood raised, captive, Agumbe, Karnatka, India

Jeff Rotman / Irula Snake Tribe member holding vials of snake anti-venom for Viper, Krait and Cobra bites. Southern India.

Jeff Rotman / Poisonous Bluespotted ribbontail stingray (Taeniura lymma) at night, Perth, Australia, Indian Ocean.

Jeff Rotman / Snake charmer with scorpions climbing over his hands and face, Jaipur, Rajasthan, India, December 2007, Model released

Doug Perrine / Swarm / aggregation of venomous Moon jellyfish (Aurelia aurita) Port Fidalgo, Prince William Sound, USA, July

Daniel Heuclin / Equatorial spitting cobra (Naja sumatrana) SE Asia, Controlled conditions.

Juergen Freund / Diver holding Banded sea krait (Laticauda colubrina) South Sulawesi, Indonesia.

Danny Green / 2020VISION / Adder (Vipera berus) portrait, Staffordshire, England, UK, April

Danny Green / 2020VISION / Adder (Vipera berus) coiled, basking on moss in the spring sunshine, Staffordshire, England, UK, April. Photographer quote: "OK so snakes are perhaps not as sexy as seals or foxes but I just can't get...

Danny Green / 2020VISION / Adder (Vipera berus) tasting the air with tongue, Staffordshire, England, UK, April. 2020VISION Exhibition. 2020VISION Book Plate.

Danny Green / 2020VISION / Adder (Vipera berus) head portrait, Staffordshire, England, UK, April

Danny Green / 2020VISION / Adder (Vipera berus) basking in the spring, Staffordshire, England, UK, April

Danny Green / 2020VISION / Adder (Vipera berus) basking in the spring sunshine flicking tongue, England, UK, April. Did you know? The Adder is the only venomous snake in the UK.

Yves Lanceau / Death cap fungus (Amanita phalloides) poisonous, showing spore dispersal pattern over 20 hours on black card

Ernie Janes / Close up of tail sting of Hornet (Vespa crabro) UK

Juergen Freund / Poison ocellate octopus (Octopus mototi) on seabed. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Face of a Common lionfish (Pterios volitans) on top of the reef. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Common lionfish (Pterois volitans) seen from the rear. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Researchers Guido and Katja Westhoff work in a mobile lab in the bush. To handle the deadly Common death adder (Acanthophis antarcticus) Guido puts the head and upper portion of the snake in a plastic...