Low tide reveals animals seen only for a brief time. Sea anemones, purple sea urchins, starfish, colorful sea slugs and tiny crabs live in this hidden world.

May 31, 2008 – Linda McDonnell

Conservationists have developed a scientific model that accurately maps where coral reefs are in the most trouble and identifies regions where reefs can be protected.

May 14, 2008 – Sue Cartledge

Plants and animals from the pelagic zone could be included in a marine biotope system.

Feb 13, 2008 – John Blatchford

Aquarists can help research into the conditions necessary for healthy mangrove and seagrass development. This could help preserve coral reefs.

Jan 29, 2008 – John Blatchford

Beachcombing is an environmentally friendly way of collecting shells.

Jan 15, 2008 – John Blatchford

Very hot water rushes up from the seabed carrying toxic chemicals, but animals are found there!

Nov 13, 2007 – John Blatchford

Some animals live on the rocks, some underneath, and a few even live inside them.

Oct 8, 2007 – John Blatchford

Plankton, phytoplankton and zooplankton are found everywhere in the oceans. Here's an overview of these different types.

Feb 26, 2007 – Wesley Rouse

Being able to find and identify the invertebrates that you find in the intertidal zone can make a trip to the beach even more fun.

Feb 20, 2007 – Wesley Rouse

Coral Reefs and a quarter of the world's fish species are seriously endangered by man's activities.

Feb 4, 2007 – John Blatchford