Spawning marine Pileworms observed along shoreline.

Hundreds upon hundreds of specimens known as "sea pickles" washed up on Monterey Bay beaches on Thursday. As explained by the Monterey Bay Aquarium, "Big waves and strong currents are pushing pyrosomes onto local beaches.

The Division of Marine Fisheries is analyzing the clams and expects to have preliminary results in the coming days that might point to a cause.

Thousands of herring washed up around Piltun Bay in northeastern Sakhalin..

Thousands of lobsters, clams, quahogs and crabs have washed up on the shore at Robinson's Island, a consequence of no sea ice and big waves.