New study examines role of sea urchins on California kelp

California sheephead and spiny lobsters may be helping control sea urchin populations in Southern California kelp forests, where sea otters—a top urchin predator—have long been missing, according to a new San Diego State ...

How one gene in a tiny fish may alter an aquatic ecosystem

In a remote area of British Columbia's Vancouver Island, Kennedy Lake's deep blue waters stretch over 25 square miles. The lake is home to the threespine stickleback, a diminutive fish species that has provided rich fodder ...

Protecting marine areas may have insidious political effects

Zones of ocean known as Marine Protected Areas (MPAs) are all the rage. They have no single or agreed definition, but essentially they are areas of sea in which human activity is restricted or prohibited in order to preserve ...

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