 Occasionally a Portia is killed or injured while pursuing prey up to twice Portia ′ s size . In tests , Portia labiata is killed in 2 @.@ 1 % of pursuits and injured but not killed in 3 @.@ 9 % , while P. schultzi is killed in 1 @.@ 7 % and injured but not killed in 5 @.@ 3 % . In Queensland , P. fimbriata is killed in 0 @.@ 06 % of its pursuits and injured but not killed in another 0 @.@ 06 % . A Portia ′ s especially tough skin often prevents injury , even when its body is caught in the other spider 's fangs . When injured , Portia bleeds and may sometimes lose one or more legs . Spiders ' palps and legs break off easily when attacked , Portia ′ s palps and legs break off exceptionally easily , which may be a defence mechanism , and Portia species are often seen with missing legs or palps , while other salticids in the same habitat are not seen with missing legs or palps . : 450 A P. fimbriata specimen , now in the Australian Museum collection , regenerated a lost limb about 7 days after moulting . 
