Crab Traps....

[noningo]

Hi All,
I really need some help on how to do some crab traps.If you can ,please show me a diagram too..
Thanks alot....

 

[stormbind]

What kind of crabs are you trying to trap? Are you wanting to leave the trap in the ocean for some time and then revisit it later?

 

[noningo]

No. I have some white with brown hands ,harmfull crabs that are in my 200g reef tank.
I need to catch them but I dont know how.
Can some one please tell me some DIY trap..
Thanks