Emanuele Biggi / Andean frog (Bryophryne cophites) dead from chytrid fungus (Batrachochytrium dendrobatidis) Cusco region, Peru.

Emanuele Biggi / Abra Acanacu marsupial frog (Gastrotheca excubitor) dying due to heart attack caused by Chytrid fungus (Batrachochytrium dendrobatidis) Peru.

Javier Aznar / Pebas stubfoot toad (Atelopus spumarius) infected with chytrid fungus, seen through leaf, Ecuador. Overall winner of the Nature Images Awards 2016.

Cyril Ruoso / Goliath Frog (Conraua goliath) biologist Claude Miaud swabbing skin to determine presence of chytrid fungus, endangered, Cameroon

Bert Willaert / Researcher swabbing a frog to look for the presence of the amphibian chytrid fungus (Batrachochytrium dendrobaditis) Bolivia, October 2013. Model released.

Solvin Zankl / Scientist Marco Favelli holding Tyrrhenian Painted Frog (Discoglossus sardus) taking samples for Chytridiomycosis disease testing from frog skin using a cotton swab. Sardinia, Italy, April 2009.

Solvin Zankl / Tadpoles of the Majorcan midwife toad (Alytes muletensis) in lab being treated against chytridiomycosis. The procedure takes five days before the animals can be released back into their natural habita...

Solvin Zankl / Tadpoles of the Majorcan midwife toad (Alytes muletensis) which have been captured in the wild to be treated against the amphibian desease chytridiomycosis. The procedure takes five days before the an...

Solvin Zankl / Scientist Susan Walker holding Majorcan midwife toad (Alytes muletensis) taking sample using cotton swab for testing for Chytridiomycosis disease. Torrent de s'Esmorcador, Majorca, Spain, April 2009.

Solvin Zankl / Dr. Trent Garner holding a chytrid-infected Tyrrhenian Painted Frog (Discoglossus sardus), Sardinia, Italy, April 2009.

Solvin Zankl / English-Italian research team searching for the Green toads (Bufo viridis) and Sardinian tree frog or Tyrrhenian tree frog (Hyla sarda) to get samples for Chytridiomycosis disease testing Lake Coghina...

Cyril Ruoso / Common Frog (Rana temporaria) biologist Claude Miaud testing for signs of the deadly chytrid fungus, Alps, France

Cyril Ruoso / Common Frog (Rana temporaria) biologist testing for signs of the deadly chytrid fungus, Alps, France

Roland Seitre / Conservation officer administers anti-parasite treatment to Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America,...

Roland Seitre / Conservation officer administers anti-parasite treatment to Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America,...

Roland Seitre / Conservation officer administers anti-parasite treatment to Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America,...

Bruce Thomson / RF - Green and golden bell frog (Litoria aurea) portrait, a large frog with extremely restricted distribution due to Chytrid fungus, Sydney, New South Wales, Australia. (This image may be licensed eit...

Bruce Thomson / Green and golden bell frog (Litoria aurea) resting in shrub, a large frog with extremely restricted distribution due to Chytrid fungus, Sydney, New South Wales, Australia.