Sea lice bites are an itchy rash caused by jellyfish larvae that get trapped in swimsuits after swimming in the ocean. The larvae release toxins that trigger irritation, redness, and welts on the ...

Sea lice are copepod crustaceans ... and their lives become easy. 'Much like with humans, high densities mean it is easier for diseases to be transmitted.' Although they are small, the lice can cause ...