prettyfishy76 Posted August 3, 2013 Share Posted August 3, 2013 There is a black crab hitchhiker that has been in my 29g Nano Cube since Nov. 2012. He has grown a lot since then. When he waves his claws at you, he stretches to about 2.5 to 3 inches. Some of my coral frags have been messed with (I have to put them in a cage for protection) and a small Squamosa clam mantle damaged (led to its death). I am thinking this crab is the guilty party. Can anyone tell me what type of crab he might be? Sent from my iPhone using Tapatalk 2 Link to comment Share on other sites More sharing options...
(Bio)³ Posted August 3, 2013 Share Posted August 3, 2013 gorilla crab? I personally caught a large emerald attacking one of my clams, I banished him to the sump and the clam recovered. P.S there is now a forum for I.D threads to go into. Link to comment Share on other sites More sharing options...
prettyfishy76 Posted August 3, 2013 Author Share Posted August 3, 2013 gorilla crab? I personally caught a large emerald attacking one of my clams, I banished him to the sump and the clam recovered. P.S there is now a forum for I.D threads to go into. I posted from my TapaTalk application on my phone and didn't see it. I thought it had existed, but it didn't show up for me. I see that it has been moved over. Thank you for that! Link to comment Share on other sites More sharing options...
Woods Posted August 3, 2013 Share Posted August 3, 2013 Definitely a Gorilla Crab and 99% likely the culprit. Link to comment Share on other sites More sharing options...
Timfish Posted August 3, 2013 Share Posted August 3, 2013 Look closely at the claws. If it's a gorilla crab it will have points at the ends. If it has flat spoonlike tips it's primarily a herbavore and most likely a Mithrax species. Link to comment Share on other sites More sharing options...
bige Posted August 3, 2013 Share Posted August 3, 2013 I agree with Tim. I have a crab that looks similar and I tried to remove it for months. Then one day I saw it pulling algae off a rock. It's blue and covered in hair. It had little paddles on the tip of each claw. Yours how ever, has one claw that looks mean and the other I can't tell. If in doubt, throw it in your sump. See what it does there. Link to comment Share on other sites More sharing options...
prettyfishy76 Posted August 5, 2013 Author Share Posted August 5, 2013 I appreciate all of the responses. From the sound of it, no matter what this guy is, it's probably best to remove him from the DT. I have a peppermint shrimp I want to evict, as well as a blue devil damselfish, so I'll probably remove some rock and catch all three at once this evening. Link to comment Share on other sites More sharing options...
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