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.
Ai i tredh ato, ia ndryshon ngjyren nga transparente ne nje te kuqe te ndezur, i ben ato te jetojne me gjate, dhe ashtu sic ka gjetur biologu Nicholas Rode, i ben ato te notojne ne grupe.