headlight fish
... that the headlight fish gets its name from the large, bioluminescent patch of skin located between its nostrils?
... that the <b id="mwAm8"><a href="./Headlight_fish" id="mwAnA" rel="mw:WikiLink" title="Headlight fish">headlight fish</a></b> gets its name from the large, <a href="./Bioluminescence" id="mwAnE" rel="mw:WikiLink" title="Bioluminescence">bioluminescent</a> patch of skin located between its <a href="./Nostril" id="mwAnI" rel="mw:WikiLink" title="Nostril">nostrils</a>?