Barnacles can extend it's penis up to 30 times the length of its body. Barnacles are sessile and unable to move from their settled location. In order to overcome this motility problem, the barnacle can extend it penis to any near neighbour in order to impregnate them with it's sperm.
The original and one of the largest list of DIY reef aquarium project links you will find in one place. The large list of links is almost been totally added into the new format, with the number currently (12/01/2006) being 483.
If you have a link to suggest, then please submit it for consideration. Or if you find one that has expired, then please
me so that it can be fixed. You can also let me know what you think of the new format and if there are any improvements that can be made to the way the information is presented.
DIY Links 
General websites that have a number of DIY projects listed on them. The individual projects will already be linked in the sub-catagories.
