Sailor’s Eyeball – Valonia ventricosa

Sailor’s Eyeball, or Valonia ventricosa, is a type of green algae found in warm oceans. It is also known as bubble algae or sea grape. Divers may spot this unique algae while exploring tropical and subtropical waters. It can resemble human debris at first glance, but it is a natural part of ocean life. Observing Sailor’s Eyeball can add excitement to a diving experience.