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Old 02-05-2012, 07:09 AM   #1
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Catching crabs

So this is the thing found some crabs that hitch hiked on my live rock which at first I thought was great so I thought I'd try and find out what they are! After checking through websites and posting images on forums I came to the conclusion they've all got to go, problem is how? This is where you guys come in, I realy have no idea on how to catch them as the slightest bit of movement and there gone, any suggestions and advice will be most welcome
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Old 02-05-2012, 10:07 AM   #2
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Take all of your live rock out so the crab doesn't have anywhere to hide. Don't know if there is anything else you can do...
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Old 02-05-2012, 11:26 AM   #3
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Put food in a trap and when they try to get it pull em out and fry them for dinner
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Old 02-05-2012, 11:39 AM   #4
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When trying to identify a hitchhiker crab last night, I came upon a few "bottle traps" on google for catching problem crabs. Seems easy to make. Just google "Bottle traps" and I'm sure you'll find something worthwhile.
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Old 02-05-2012, 11:42 AM   #5
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Remember a lot of crabs like to hide in the rocks so taking your rocks out isn't going to help. You can try a glass leaned up against a rock with some food either tied or glued to a piece of rubble when the crab gets in there is no way for it to get out.
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Old 02-05-2012, 11:52 AM   #6
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By any chance was this one of them that you seen?
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Old 02-05-2012, 11:59 AM   #7
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Could try putting all the live rock in just freshwater and see if that makes them scury out.
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Old 02-05-2012, 12:39 PM   #8
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Yeah but then that would most likely destroy a lot of good things in the live rock. Pretty drastic step to take just for a couple hitchhiker crabs. The glass method is one of the best. Just put some food in the glass, lean it up against the rocks, crab comes walking into the glass to get the food, glass is too smooth for the crab to get out, and there you have a caught crab.
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Old 02-05-2012, 01:22 PM   #9
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Looks like I'll be going for the glass option realy don't want to take all the rock out its taken ages to get it how I like it lol, thanks for all the suggestions hopefully there be gone in the next couple of days
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Old 02-05-2012, 01:23 PM   #10
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Quote:
Originally Posted by Mrc8858
By any chance was this one of them that you seen?
Sorry they don't look like that
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