All modern multicellular life — all life that any of us regularly see — is made of cells with a knack for compartmentalization. Recent discoveries are revealing how the first eukaryote got its start.

The unusual animal has a fish’s body, delicate fins that resemble a bird’s wings and six leglike appendages similar to those of a crab. When the scientists decided to study the sea robins on a ...

A species of sea robin called Prionotus carolinus studied by researchers used their leglike appendages for walking, digging and sensing the seafloor. - Anik Grearson Harvard and Stanford ...

Sea robins are so adept at rooting out prey as they walk along the ocean floor on their six leglike appendages that other fish follow them around in the hope of snagging some freshly uncovered ...

Sea robins are so adept at rooting out prey as they walk along the ocean floor on their six leglike appendages that other fish follow them around in the hope of snagging some freshly uncovered prey ...