Henneguya salminicola

News:Recently,Scientists have discovered an animal Henneguya Salminicola which does not need oxygen to produce the energy needed for its survival.



  • Henneguya salminicola is a parasite that lives in the Salmon muscle cells of fish.
  • It relies on anaerobic respiration through which cells extract energy without using oxygen.
  • It also does not not have a mitochondrial genome.Mitochondria is the powerhouse of the cell where oxygen is captured to make energy so its absence indicates that the animal was not breathing oxygen.

Significance of the discovery:

  • The discovery changes one of science’s assumptions about the animal world that all animals use aerobic respiration and therefore,oxygen.