Underwater Beauty: Part 3 29 Friday Apr 2011 Posted by Kyle Hill in Biology, General Science, Misc. ≈ Leave a comment TagsAlexander Semenov, deep sea animals, science, skepticism, underwater beauty Cyanea capillata. It's maximum size is 6 ft bell diameter with 105 ft long tentacles. This lion's mane jelly is thought to be the longest animal in the world. [Via Alexander Semenov] [Click here to see the other Underwater Beauty installments] Spread The Science!EmailTwitterFacebookRedditTumblrPinterestLike Loading... Related