Posted at the National Museum of the Philippines website:
The scientific name of this fungus is Batrachochytrium dendrobatidis (Bd). Studies have shown that Bd causes a pathogenic skin disease in amphibians called cutaneous chytridiomycosis. This disease has been linked to mass mortalities of frogs in many countries in North, Central, and South America and in Australia. Scientists have also found that chytridiomycosis, interacting with other environmental factors, may have triggered the recorded massive decline of many frog populations in those countries, and worse, have caused the extinction of several species.
Initial results show the presence of chytrid fungus in five species of frogs from two localities in Luzon: Mt. Palaypalay (in Cavite Province) and Mt. Labo (in Camarines Norte Province). These were Limnonectes macrocephalus, Limnonectes woodworthi, Rana similis, Rana luzonensis, and Occidozyga laevis. Species of Limnonectes are commonly called “fanged frogs”; both the species of Rana are “stream frogs”, and Occidozyga frogs are commonly known as “puddle frogs.” All these frogs are associated with aquatic environments and are especially found in mountain streams and fastflowing rivers.
The fungi under the microscope:
The fungi causing frog extinction and species decline in Panama:
Sir David Attenborough on the global amphibian crisis:
A two-part video on the effort to stop the spread of the deadly chytrid fungus. This fungus is capable of killing 90% of the frog population in over a month.
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