Marine worms

Silo of annelids and marine worms, from reefs to hydrothermal vents.

Colonie de vers tubicoles géants près d'une source hydrothermale (campagne Ifremer)
Harmless

Giant tube worm

Riftia pachyptila

Giant tube worm

Lacking a mouth, stomach or anus, it lives entirely thanks to symbiotic bacteria that convert the toxic hydrogen sulfide of hydrothermal plumes into energy.

🌊 15002500 m

  • Lives without a mouth or stomach, entirely nourished by internal symbiotic bacteria
  • Its hemoglobin carries both oxygen and a deadly poison without harm, a unique biochemical feat
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