Identify this tropical saltwater marine invertebrate! :)

Posted in the Marine Biology Forum


Fort Lauderdale, FL

#1 Jul 4, 2010
Hello all,

My girlfriend and I were snorkeling inside the moat at Fort Jefferson near Key West in Florida, on Garden Key. We saw a little critter that we couldn't identify. Some help? Thanks!

It's in the middle on the bottom.

Barcelona, Spain

#2 Oct 19, 2010
The pic is not very clear, and the whole animal cannot be seen. But it looks like an holothurian of the genus Euapta or some related taxon. Maybe Euapta lappa.

Hope this was useful!

Walnut, CA

#3 May 15, 2011
Definitely an upside down jellyfish. Do a Google search and you'll recognize it. Very common in the Caribbean.

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