: Dest roy ed ▁land marks ▁in ▁Greece <0x0A> </s> ▁Ch rom odor is ▁west ral i ensis ▁is ▁a ▁species ▁of ▁very ▁colour ful ▁sea ▁sl ug , ▁a ▁dor id ▁n ud ib ranch , ▁a ▁marine ▁g ast rop od ▁m oll usc ▁in ▁the ▁family ▁Ch rom odor id idae . ▁ ▁Distribution ▁This ▁species ▁of ▁n ud ib ranch ▁occurs ▁in ▁coast al ▁regions ▁of ▁Western ▁Australia , ▁from ▁the ▁Kim ber ley ▁region ▁in ▁the ▁north ▁of ▁the ▁state , ▁to ▁its ▁southern ▁occurrence ▁near ▁Es per ance . ▁It ▁is ▁the ▁most ▁abund ant ▁n ud ib ranch ▁of ▁the ▁Per th ▁region . ▁ ▁Description ▁The ▁length ▁of ▁this ▁animal ▁is ▁up ▁to ▁ 6 5 ▁mill imet res . ▁A ▁mant le ▁covers ▁the ▁upper ▁parts ▁of ▁the ▁animal ▁and ▁extends ▁to ▁form ▁a ▁sk irt ▁at ▁the ▁sides . ▁The ▁colour ing ▁is ▁two ▁( or ▁one ) ▁bright ▁blue ▁patch es ▁on ▁a ▁black ▁background , ▁with ▁an ▁orange ▁outline . ▁This ▁a pos ematic ▁color ation ▁advert ises ▁its ▁to x icity ▁to ▁would - be ▁pred ators . ▁Two ▁sens ory ▁org ans , ▁tent acle ▁sh aped ▁r hin op hor es , ▁are ▁orange , ▁and ▁are ▁located ▁at ▁the ▁upper ▁surface ▁of ▁the ▁head . ▁The ▁g ills , ▁cluster ed ▁and ▁pl um ose , ▁are ▁also ▁orange ▁and ▁arranged ▁near ▁the ▁an us . ▁ ▁E col ogy ▁These ▁n ud ib ranch s ▁feed