Stuck Fish; Now There All Stuck and Dead!! HELP!

[King of the Sea]

I bought a bamboo shark same day i got it he went head first into a rock got stuck and died i payed 75 bucks waste of money

[Coderad]

Now all of my fish are dead. The all ended up the same way the coral beauty did pulled in to holes in the rock one clown was in the same hole as the coral beauty and the other clown was in another. I found one ugly looking crab eating one of the clowns. (Picture attached pulled off his pinchers pulling him out of the rock.) I don't know what happend they all seem normal. I had one clown for a little over a year and the other for about 8 months and the coral beauty I had for 4 months. Haven added anything new the last rocks I put in about 6 months ago. All water levels are good. 2 pepermint shrimp, urchant, zebra hermit, zoo's and snails are all fine. I don't know what to do!
Anyone have any suggestions?

http://i39.photobucket.com/albums/e1...d/PICT0002.jpg
http://i39.photobucket.com/albums/e1...d/PICT0001.jpg

[marie]

I would suspect a predator that has just discovered how to catch fish and I don't think it is that crab you caught.

I would leave the tank fishless and try to trap...whatever it is when it gets hungry

[Coderad]

What should I be looking for? Should I set a trap?

[04scoobysti]

That looks like an emerald crab, pads on its pinchers, not points. Shouldn't have been killing any fish. Good luck with the hunt!

[Delphinus]

I don't think that's an emerald crab, too fuzzy (emeralds are smooth). It's not a good crab but there's no way it's responsible for a tank of dead fish. You have something else in there. Yes, I would be setting a trap. I'm thinking mantis or larger crab.

[Moogled]

Look for anything.

Scope out the tank at 4am in the morning and use a flashlight.

[Coderad]

Alrighty I 'll give it a try. Thanks everyone

[Reefer Rob]

That sure looks like the work of a Mantis Shrimp to me.