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Space News from SpaceDaily.Com brings the space industry professional daily news from the frontier, with contract, bid, launch and on-orbit satellite news as it happens.
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We tend to think of oxygen as the essential requirement for animal life, but a less-than-10-celled parasite called Henneguya salminicola that lives inside salmon muscle has no mitochondrial genome and no ability to breathe, making it the first animal ever confirmed to survive without needing oxygen at all
5+ day, 18+ hour ago (1223+ words) A millimetre-long salmon parasite called Henneguya salminicola has no mitochondrial genome and cannot use oxygen — the first multicellular animal ever confirmed to live its entire life cycle without breathing. By Life Signs · Edited by Justin Brown Published September 7, 2026 · How we…...