Hello
I havcea a sally lightfoot crab in my 55 gallon aquarium - Im working on a reef system - Are these crabs safe for a reef - or should I get him outta there?
Thanks
Hello,
I have heard stories of fish disappearing like this - It may be a mantis shrimp.
Go to <a href="http://saltaquarium.about.com/" target="_blank">http://saltaquarium.about.com/</a>
they have a great article on mantis shrimp
Good luck