The boxer crab uses tiny anemones as miniature boxing gloves, one on each front claw. This is known as a mutually symbiotic relationship in the marine world. If the crab loses one of its anemone ...

Every year, red crabs overtake roads and homes as they migrate from their forest dwellings to the sea, where they spawn their eggs "Everyone here really values the crabs, and [the migration] is seen ...

The red king crab (Paralithodes camtschaticus) was intentionally introduced into the Barents Sea several decades ago and has since established a significant population that is both ecologically ...

A sea of red crabs was seen on the Australia territory of Christmas Island as the crustaceans made their annual migration from the forest to the coast. Photographer Andrew Watson shared a time lapse ...

A young boy walks beside some red crabs on Christmas Island, an Australian territory, as they embark upon their annual migration. More than 100 million red crabs travel across the island annually, ...

In an environment as vast and extreme as the world’s oceans, survival of the fittest takes on new meaning. That’s probably why cooperation is the name of the game for many of the more vulnerable ...