starfish

Sea stars in the waters off British Columbia that died off in the billions about a decade ago are not recovering as expected, an expert says.

The heat and the stench was staggering after masses of mussels, barnacles, clams, hermit crabs and starfish cooked to death at a number of Lower Mainland beaches, says biologist Chris Harley.

The disembodied head of the sacoglossan sea slug feasts on algae while its old body decomposes, and a new one grows.

In 'Heart of the Coast: Biodiversity and Resilience on the Pacific Edge,' Tyee Bridge explains how sea otters, urchins and starfish each have a role to play in fragile kelp-bed ecosystems.

A survey of sea life in the southern Gulf of St. Lawrence has found corals, sharks, sharp-toothed wolffish and even an unexpected invertebrate along with the crustaceans and groundfish that make the region a fishing mecca.