What Animal Does Not Need Oxygen to Breathe?

In a 2020 research entitled A cnidarian parasite of salmon (Myoxozoa: Henneguya) lacks a mitochondrial genome, the researchers discuss their findings on the unusual Henneguya salminicola parasite. A close relative to coral and jellyfish, the 8-millimeter parasite infects the flesh of Chinook salmon.  Unlike most living organisms, the Henneguya salminicola parasite requires no oxygen to […]

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