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

When a predator is lurking nearby, holding perfectly still might be a life-saving strategy. But what if the predator can sense electrical signals generated by breathing? According to new findings ...

Diners have been urged to avoid eating cuttlefish caught by trawlers in the English Channel over fears the catch is unsustainable. There has been a dramatic increase in catches of the ...

There are more than 120 species of cuttlefish. They are found in the order Sepiida and are grouped into six families divided between two suborders. Depending on the species, cuttlefish range in ...

Brits are being urged not to eat cuttlefish as populations of the mollusc in UK waters have sunk to perilously low levels. The enigmatic marine creatures have joined the Marine Conservation Society’s ...

Cuttlefish, along with octopuses and squid, are cephalopods—animals from an ancient branch of the tree of life that have been trolling the oceans for more than 500 million years. Cuttlefish were ...

Imitation might be the sincerest form of flattery, but researchers in Japan don’t think cuttlefish are trying to flatter hermit crabs when they appear to mimic crustacean arm movements. In videos from ...