How Dragonfish Open Their Fearsome Mouths So Wide

How Dragonfish Open Their Fearsome Mouths So Wide

Barbeled dragonfish — predatory fish with long, dark bodies that inhabit the deep sea — are unnerving to look at. Their name refers to glowing barbell-shaped lures that dangle from their oversize lower jaws and attract unsuspecting prey in the cold, dark ocean depths. Those jaws, studded with prominent, sharp teeth, can swing wide enough to gulp down large fish whole — even prey larger than the swallower.

And a new study has discovered one of the secrets to their exceptional gape — a specialized head joint that is unique to dragonfish. Read more