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  #1  
Old 10-13-2006, 04:20 PM
marcingo marcingo is offline
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So you guys think I should wait and see if he eats my zoos and let him stay until then? Wouldnt it be hard to know if hes attacking them since hes only out at night? I heard if I get a red flashlight they wont see the light and I can observe the tank at night, true or false?
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Old 10-13-2006, 04:39 PM
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Beverly Beverly is offline
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The only crabs I like are filter feeding crabs. The rest gotta go

Videos of crabs we've caught in our old tanks....

Caught in our 37g - Red Eyed Crab
April 8, 2006
(320 x 240 pixels, 3.6 MB, :49 minutes)

Caught in our 37g - One Black Claw Crab
April 14, 2006
(320 x 240 pixels, 7.8 MB, 1:38 minutes)

Caught in our 67g - Mystery Crab
April 13, 2006
(320 x 240 pixels, 9.7 MB, 2:02 minutes)

Caught in our 120g - White-Backed Brown Crab
April 22, 2006
(320 x 240 pixels, 21.3 MB, 4:30 minutes)

Anyway, the best ways to catch crabs, IME, are....

1) Find out which rock they're in, remove the rock and use long poking sticks, thin screwdrivers or simliar implements to get them out of their hiding places.

2) Just before lights out, put a piece of bait in the bottom of a glass, prop the glass at a 45 degree angle against a rock near the crab's hideout is, and hopefully in the morning you've caught a crab.

I have crab catching 2 or 3 videos where we discovered a really strange worm in our 120g. Will post them if you like, but they are mainly geared toward the weird worm.
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Old 10-13-2006, 05:03 PM
marcingo marcingo is offline
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Sure post them that would be great
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Old 10-13-2006, 05:12 PM
fortheloveofcrabs fortheloveofcrabs is offline
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Bev is the master of crab catching. She's given me a few little critters for my sump. A 'black emerald crab' included.

That little guy actually crawled out of my sump about a month ago. My cat found him and was swatting him around the place until my wife saw this and saved the little guy!
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Old 10-13-2006, 06:05 PM
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Quote:
Originally Posted by marcingo
Sure post them that would be great
Okay, but you asked for it

A Strange Thing Happened while Baiting Hitchhiker Crabs
April 16, 2006
(320 x 240 pixels, 7.6 MB, 3:27 minutes)

Crab Baiting Methods
April 18 to April 29, 2006
(320 x 240 pixels, 8.4 MB, 3:13 minutes)

We Caught A Worm
April 29, 2006
(320 x 240 pixels, 7.1 MB, 2:18 minutes)
Read Dr. Ron Shimek's Reefkeeping
Magazine's article, The Large Worm Turns.
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Old 10-13-2006, 06:16 PM
marcingo marcingo is offline
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Thats one ugly worm
So with the nylon in the glass couldnt the crab climb out or do his legs get stuck in the nylon?
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Old 10-13-2006, 07:04 PM
phreezee phreezee is offline
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I got a really big and ugly crab knocking stuff over at night. The problem with baiting is that my cleaner shrimps will get to it first.

Anybody have a link to some trap designs?
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Old 10-13-2006, 09:09 PM
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Quote:
Originally Posted by marcingo
So with the nylon in the glass couldnt the crab climb out or do his legs get stuck in the nylon?
Don't know. Never caught a crab with that design. I'm guessing crabs would stay away from that trap because of the nylon.


phreezee,

Caught a crab in our 67g that had two cleaner shrimp in it. I think I used either a bud 5"-6" high vase with a narrow neck with the bait at the bottom or a glass with the bait secured to a piece of rock rubble with onion bag. Both traps would be placed at a 45 degree angle against a rock near the crab's hangout.
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Old 10-13-2006, 10:22 PM
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I've caught a few crabs quickly using only a shot glass or a glass jigger. Just lay the shot glass at a slight upward angle (so they fall down into it) and put a small piece of shrimp at the bottom.

The last time I did it, the crab trapped himself in about 2 minutes.

(Note that you can't catch a mantis this way...they swim, while crabs can't)

BTW Bev...I've kept a good number of those Eunicid worms in my tank for many years now. They will eat just about anything, but prefer the easy meal of whatever is lying on the bottom of the tank. If you starved one, I'm still not sure that it could successfully hunt anything.
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Old 10-13-2006, 05:16 PM
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anglfish anglfish is offline
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Quote:
Originally Posted by Beverly
Videos of crabs we've caught in our old tanks....



Caught in our 37g - One Black Claw Crab
April 14, 2006
(320 x 240 pixels, 7.8 MB, 1:38 minutes)
Hey my crab just looked like this. Found a web page that labelled it as "Gorilla Crab" yet I don't think that this is a very recognized name.
I used method 1) to catch it. Well first I moved the rock out and waiting as someone told me that they would come out themselves after a while on their search for water. Waited for 30-40 minutes and got inpatient so then used 1).
He looked really cute and I brought him to my local store hoping I could trade him in for something. Well he was used as fish food. Couldn't stay to watch it. I even had some nightmares I think as I felt responsible for this poor little guys death... I'm just a big sob when it comes to that.

Bev, great videos! I absolutely LOVE the first couple of seconds of this one with the pincher emerging from the coral.
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