Spawning

hand holding palolo worms

The Moon of the Palolo Worm

In the Pacific Islands, communities count on the annual spawning of a species of sea worm to fill bellies, spark celebration, and shape peoples’ sense of time.

Latest in Spawning
Newly hatched plainfin midshipman develop in a nest hidden under a rock in the intertidal zone of Vancouver Island, British Columbia, Canada. Photograph by Shane Gross
The Curious Life of a Singing Fish

Plainfin midshipmen migrate from the deep sea to the intertidal zone to spawn, and that’s when things really get loud.

Hundreds of Chinook salmon fry swim in a tank at the Bodega Marine Laboratory at the University of California, Davis.
Raised in Rice Fields

California’s Chinook salmon have been losing habitat to agriculture for decades. Now, they’re getting a much-needed boost from strategically flooded fields.

Biologists for the Tulalip Tribe carry a beaver toward the site of its reintroduction along a stretch of river in northern Washington.
They Will Build It

In western Washington, the Tulalip Tribes bet big on beavers.

Inconspicuous Battleground

Off the coast of South Australia, an unremarkable setting conceals one of the ocean’s most spectacular events—a mating spree for the world’s largest cuttlefish.