Arabian carpetsharks
... that male Arabian carpetsharks competing for a mate have been known to bite the claspers of their rivals?
... that male <b id="mwEVo"><a href="./Arabian_carpetshark" id="mwEVs" rel="mw:WikiLink" title="Arabian carpetshark">Arabian carpetsharks</a></b> competing for a mate have been known to bite the <a class="mw-redirect" href="./Claspers" id="mwEVw" rel="mw:WikiLink" title="Claspers">claspers</a> of their rivals?