Some jellyfish sperm have stingers that fire inside females

Patrick Randall Creative Commons Attribution-Fragment Alike 4.0 Global

By Michael Marshall

Jellyfish and their family are well-liked for his or her painful and unsafe stings, which would perhaps be delivered by special cells called cnidocytes. So readers can also wince on the truth that two species of box jellyfish package cnidocytes with their sperm.

Alternatively, the cnidocytes are no longer there to position off damage. As an different, they exhaust racy barbs to anchor the sperm within the feminine’s gonads.

Box jellyfish belong to a personnel called cnidarians, which additionally entails corals, all of which gain cnidocytes. Most cnidarians impartial appropriate release sperm and …