Oasisia Tube Worm (image) Schmidt Ocean Institute Share Print E-Mail Caption Oasisia tube worm at the top of the Matterhorn chimney. The white area is where tube worms are covered by bacterial mat in the area of most intense fluid flow from the top of the chimney. Credit Schmidt Ocean Institute Usage Restrictions Credit to Schmidt Ocean Institute. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.