Those appendages include two large arms and portions of the cuttlefish’s mantle, which it extends “to provide what looks like two projected legs,” he explains. Grasse hypothesizes that the behavior ...

Zipping through water like shimmering arrowheads, cuttlefish are swift, sure hunters — death on eight limbs and two waving tentacles for small creatures in their vicinity. They morph to match… ...

Talk about showing your feminine side. On one flank, a courting male cuttlefish looks like a normal male of his species, with tigerlike stripes extending horizontally down his body. But on the ...