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

In the study, researchers said the Honaunau Bay now has an average of 51 sea urchins per square meter. This is considered to be the highest recorded density on coral reefs anywhere in the world.

As coral reefs struggle to adapt to warming waters, high levels of pollution and sea-level rise, ballooning sea-urchin populations are threatening to push some reefs in Hawaii past the point of ...

Huge sea-urchin populations are overwhelming Hawaii's coral reefs. ScienceDaily . Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 05 / 250528150650.htm ...

This study measured the growth rate of coral reefs in Hōnaunau Bay, Hawaii, using on-site data gathering and aerial imagery. Researchers found that the reefs are being eroded by sea urchin ...

A hawksbill turtle in Tubbataha Reefs Natural Park in the Sulu Sea stops eating sponges tucked under coral to confront its reflection. The UNESCO World Heritage site, guarded by rangers stationed ...

While theme parks, water parks, national parks and beaches are top draws, why not consider adding in an aquarium visit?

The aquarium is home to whale sharks, the largest fish in the world, manta rays, beluga whales, sea otters and African penguins. Its focus is on marine animals from icy, cold environments. But there’s ...