they get about 6 inches. but in the pond where i live (near it) is crawling with them so they only get 2 1/2 inches. a good tank would be a 15 to 50 g.
__________________ cherax destructor:"You see? The one with the bigger claws always wins."
30G: one really ticked red tail shark, hi-fin sunburst platy fry  , plus 7 swaty fry, sailfin spotted plec, 2 baby crays
one dog kelsie
1g:female delta tail betta 
runescape account crayfish222: 61 attack  ,56 strength, 54 defence, 57 hp, 51 range, 45 mage, 29 prayer |