Download largest version (mp4, 494 KB)

 

Video Transcript:

Sperm of tubeworms are released in actively swimming bundles that eventually break apart into individual sperm. The sperm heads are unusual, having a helical nucleus (containing the DNA) wrapped around a helical mitochondrion (the structure that fuels swimming).

 

Related Links

Gulf of mexico 2002

Gulf of Mexico: The Wayward Children of Worms

NOAA Ocean Explorer Gallery