Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The murky ink from cuttlefish (Sepia officinalis) could help deter ...

Some male cuttlefish seem to squirt out ink to enhance their courtship displays, offering the first evidence that cephalopod ink has uses beyond just fighting and defence against predators. Receive a ...

When it comes to fending off sharks, it turns out you might not "need a bigger boat," as recommended in Jaws—but just a bottle of cuttlefish ink. This is the revelation of researchers from University ...