box jellyfish
... that the venomous box jellyfish (Chiropsalmus quadrumanus) once killed a child within forty minutes of his being stung?
... that the venomous <b id="mwAZ4"><a href="./Chiropsalmus_quadrumanus" id="mwAZ8" rel="mw:WikiLink" title="Chiropsalmus quadrumanus">box jellyfish</a></b> (<i id="mwAaA">Chiropsalmus quadrumanus</i>) once killed a child within forty minutes of his being stung?