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 ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species ...

Crabs and lobsters both go through some complex life cycles, and their reproduction process differs quite significantly. For ...