As you might guess from the name, ribbed mussels are distinguished by their ribbed shells. They also grow higher up in the the intertidal zone, which means they spend more time closed up and less ...

Biologists value the intertidal zone as an easily observable model of ... grass at the bottom up through strata of sea anemones and mussels and barnacles to the limpets at the top—all within ...

The intertidal zone is home to a variety of mussels, barnacles, limpets, and chitons (Paine 1969). All these invertebrate herbivores are preyed upon by the predator starfish Pisaster (Figure 3).

But those feet are also designed for another purpose: opening the shells of mussels. Once the sea star ... found in the upper parts of the intertidal zone. By secreting a natural glue, they ...

Canada has some of the richest intertidal zones in the world — not surprising ... voracious sea stars hunting mussels and consuming them alive; even seaweed that has adapted to resist hurricane ...