snubnosed eel
... that while normally a scavenger, the snubnosed eel also burrows into the bodies of larger fish to feed, and two specimens were found inside the heart of a shortfin mako shark in 1992?
... that while normally a scavenger, the <b id="mwDp0"><a href="./Snubnosed_eel" id="mwDp4" rel="mw:WikiLink" title="Snubnosed eel">snubnosed eel</a></b> <i id="mwDp8">(pictured)</i> also burrows into the bodies of larger fish to feed, and two specimens were found inside the heart of a <a href="./Shortfin_mako_shark" id="mwDqA" rel="mw:WikiLink" title="Shortfin mako shark">shortfin mako shark</a> in 1992?