 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 lose one or more legs.Spiders' palps and legs break off easily when attacked, 'the palps and legs of "Portia" species break off exceptionally easily, which may be a defence mechanism, and they are often seen with missing legs or palps, while other salticids in the same habitat are not seen with missing legs or palps.