lol, unless the crabs i get are body builders they won't beable to open the lid, thinking about putting some catches on each corner to sort out the warping a bit and for extra safety incase they all work together to lift and escape!!
james what exactly did you like about the 1st pic?
yeh it looks big because to start the hood off I made a box frame and then built onto that so it does stick out a bit but means I can fit a full 2ft tube in.