Why can I use tanks or build ponds to grow yabbies?
Basically, because these more “intensive” methods of crayfish farming are unproven for yabbies (despite many attempts) and are much more difficult than harvesting farm dams. These methods also need a lot of capital investment. If you have a farm with Yabby dams, to get started only a small amount of money needs to be spent on some traps and you can even make these yourself. More explanation on different levels of crayfish farming is given in the Department of Fisheries’ publication “An introduction to marron and other crayfish farming in WA”. The message is, “make the most of the yabbies in your farm dams”.
