The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures ...

Researchers said Honaunau Bay now has an average of 51 sea urchins per square meter. This is considered to be the highest ...

Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new ...

A sea-borne pandemic that wiped out sea urchin populations in the Red Sea has spread and is taking out the species in parts of the Indian Ocean and could go global, scientists in Israel say.

In addition to posing a threat to swimmers, sea urchins in this popular snorkeling and diving spot in Hawaii are also harming ...

Sunflower sea stars — the giants of sea stars, with up to 21 limbs — eat sea urchins. In their absence, the sea urchin population proliferated. Sea urchins eat kelp, and the explosion in their ...

Consider the sea urchin. Specifically, the painted urchin: Lytechinus pictus, a prickly Ping-Pong ball from the eastern Pacific Ocean. The species is a smaller and shorter-spined cousin of the ...

Restoring Port Phillip Bay’s dwindling kelp forests by culling overgrazing sea urchins would deliver more than $92 million in ...

The marine creatures are marching down Australia’s east coast and colonising Port Phillip Bay. But some people are determined ...

sea-urchin haul She lent me a custom-made tool and showed me where to look, how to measure my take, how to lob the urchin into a mesh bag underwater. I pried the urchins from their perches.

In 2025, 43 of these valuable licenses were granted to sea urchin fishers, ... "The reason we set up resource management rules is to prevent the species from disappearing," said Piton.