Forscher*innen der Berliner Charité haben herausgefunden, dass der Danionella cerebrum, einer der kleinsten Fische der Welt, Geräusche machen kann, die so laut sind wie ein Schuss.
To produce sound, a rib that lies next to the swim bladder is moved by a special muscle into a piece of cartilage. When the rib is released it hits the swim bladder and makes the drumming sound. The rib is much harder in males, which explains why females do not produce sounds.
The scientists have not established why the fish make such loud sounds but suggested it could help navigate murky waters or be an aggressive tactic used by males to warn off competition.
(Direktlink, via BoingBoing)
