Sea lice are copepod crustaceans. They have been around for millions of years and have ... But in aquaculture, fish are kept at unnaturally high densities, so the parasites will exploit that, and ...

However, National Institute of Water and Atmospheric Research (Niwa) emeritus researcher Dr Dennis Gordon told RNZ the rash could be caused by sea lice, a completely different type of organism ...

The Lice Timeline: When Did Humans First Wear Clothes? For most of human history, early humans did without clothing, relying on their bare skin and body hair for survival. But then something changed.