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A chytrid-killed frog Chytridiomycosis in Atelopus varius—two sporangia containing numerous zoospores are visible.. Chytridiomycosis (/ k aɪ ˌ t r ɪ d i ə m aɪ ˈ k oʊ s ɪ s / ky-TRID-ee-ə-my-KOH-sis) is an infectious disease in amphibians, caused by the chytrid fungi Batrachochytrium dendrobatidis and Batrachochytrium salamandrivorans.
The fungus grows on amphibian skin and produces aquatic zoospores. [17] It is widespread and ranges from lowland forests to cold mountain tops. It is sometimes a non-lethal parasite and possibly a saprophyte. The fungus is associated with host mortality in highlands or during winter, and becomes more pathogenic at lower temperatures. [18]
It is also known as the pixie frog due to its scientific name. It is found in Angola , Botswana , Kenya , Malawi , Mozambique , Namibia , South Africa , Tanzania , Uganda , Zambia , Zimbabwe , and possibly the Democratic Republic of the Congo .
Phrynobatrachus acridoides is a species of frog in the family Phrynobatrachidae.It is widely distributed in the lowlands of eastern Africa, from Kenya and southern Somalia in the north and southward to Tanzania (including the Mafia, Zanzibar, and Pemba islands), Malawi, Mozambique, eastern Zimbabwe, and easternmost South Africa (KwaZulu-Natal).
Perhaps the greatest, and least understood, threat to the mountain chicken frog today is the deadly fungal disease chytridiomycosis. [2] This disease, which has wiped out many amphibian populations across the globe, established on Dominica in 2002, and in just 1½ year the population on the island declined to near-extinction.
Breviceps fuscus is a burrowing frog, and can be found in tunnels up to 150 mm deep or among vegetation up to about 30 cm above the ground, and it generally prefers to avoid water. [3] The frog generally spends most of its time underground as it does not require open water and is primarily nocturnal . [ 9 ]
The population of the mountain chicken frog, once abundant in the Caribbean, has dropped by over 99% in 20 years due to a deadly fungal disease.
A fungus (plural: fungi [1] or funguses [2]) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom , separately from the other eukaryotic kingdoms, those being Plantae , Animalia , Protozoa , and Chromista .