▁occur ▁for ▁many ▁years . ▁ ▁In ▁ 1 9 9 8 , ▁the ▁species ▁was ▁listed ▁as ▁" v ul ner able " ▁under ▁Australian ▁law ▁and ▁an ▁am end ment ▁to ▁the ▁In land ▁Fish eries ▁Act ▁ 1 9 9 5 ▁made ▁it ▁illegal ▁to ▁catch ▁or ▁handle ▁A . ▁g ould i ▁without ▁a ▁permit , ▁carrying ▁a ▁maximum ▁fine ▁of ▁A $ 1 0 , 0 0 0 . ▁Although ▁past ▁fish ing ▁press ures ▁are ▁believed ▁to ▁have ▁had ▁a ▁significant ▁impact ▁on ▁populations , ▁a ▁degree ▁of ▁illegal ▁fish ing ▁is ▁known ▁to ▁continue ▁and ▁has ▁potential ▁to ▁significantly ▁threaten ▁the ▁remaining ▁populations . ▁The ▁level ▁of ▁illegal ▁fish ing ▁is ▁not ▁fully ▁known , ▁but ▁is ▁ev iden ced ▁by ▁pro sec utions , ▁the ▁presence ▁of ▁b ait ▁lines ▁and ▁an ec dot al ▁reports . ▁New ▁develop ments ▁of ▁roads ▁and ▁forest ry ▁tracks ▁can ▁consequ entially ▁allow ▁illegal ▁fish ers ▁to ▁access ▁previously ▁un exp lo ited ▁populations . ▁ ▁Hab itat ▁disturb ance ▁Hab itat ▁disturb ance ▁for ▁A . ▁g ould i ▁includes ▁the ▁removal ▁or ▁destruction ▁of ▁native ▁rip arian ▁veget ation , ▁bank ▁er os ion , ▁removal ▁of ▁ ▁sn ags , ▁stream ▁flow ▁alter ations ▁such ▁as ▁cul ver ts ▁and ▁farm ▁d ams , ▁s ilt ation ▁and ▁to xic ▁chemical ▁run offs . ▁ ▁The ▁clear ance ▁of ▁rip arian ▁veget ation ▁causes ▁the ▁dest abil isation ▁of ▁water way ▁banks , ▁which ▁impact