It alters the crab’s behaviour so that it protects the sacculina and its eggs. As they watch the clip, students can take notes on the key facts about reproduction in crabs, and how hormones ...

It alters the crab’s behaviour so that it protects the sacculina and its eggs. As they watch the clip, students can take notes on the key facts about reproduction in crabs, and how hormones ...

The next smallest will take that crab’s hand-me-down home, and so on. Hermit crabs vary in their mating habits. The Caribbean hermit crab, for example, lives in wetlands, but when it’s time to ...

When water temperatures rise to 60 degrees and level off after the last cold snaps of winter, the coastline welcomes horseshoe crabs for their annual spawn. From late March until June is when ...

A Pacific mole crab, or a sandcrab, in an aquarium. You can see the feeding appendages are out feeling for food in the water. PSU researcher Dorothy Horn examined the effects of exposure to ...

Snow crabs and king crabs are two closely related types of crabs, easily confused with each other because they are so big and look so similar. They are both extremely valuable to fishermen and ...