Scientists have revealed that the dragonfish’s so-called invisible fangs are actually made up of the same material as the human teeth. The dragonfish, a deep sea species called Aristostomias scintillans, has virtually-transparent fangs that are made up of an outer layer of enamel – but unlike the enamel in our teeth – they contain nanoscale crystals that prevent light from reflecting off the fish’s tooth surface.
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The dragonfish’s “invisible” teeth makes lets them catch their prey easier, as the prey is less likely to notice the predator’s mouth.
Image: Audrey Velasco-Hogan