english: It castrates them, it changes their color from transparent to bright red, it makes them live longer, and as biologist Nicolas Rode has found, it makes them swim in groups.
non_english: Kastrira ih, menja njihovu boju iz providne u jarko crvenu, čini da žive duže, i kako je otkrio biolog Nikolas Roud, čini da plivaju u grupama.