''Ichthyochytrium'' is a fungal

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

in the

Chytridiales Fungi of the order Chytridiales, like other members of its division, may either have a monocentric thallus or a polycentric rhizomycelium. When the ribosomal genes of members classified in this order were first examined using molecular techniqu ...

of uncertain familial placement. A

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus, it contains the single rare species ''Ichthyochytrium vulgare'', described from Germany by

Marianne Plehn Marianne Plehn (30 October 1863 – 18 January 1946) was a German zoologist. She was the first woman to be awarded a doctorate at the ETH Zurich and the first woman to be appointed as professor in Bavaria in 1914. Plehn is commemorated in the n ...

in 1920. A

parasite Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has ...

of freshwater fishes, it forms spherical bodies measuring 5–20 µm that have

refractive In physics, refraction is the redirection of a wave as it passes from one medium to another. The redirection can be caused by the wave's change in speed or by a change in the medium. Refraction of light is the most commonly observed phenomeno ...

granules. It typically attacks the lung and gills.

References

External links

* Chytridiomycota genera Monotypic fungi genera {{Chytridiomycota-stub