Nature on Instagram: "It’s a surprising showdown in slow motion: two slugs fiercely battling over food by swinging their mouthparts at each other in a slug-sized duel. Though often thought of as slow and harmless, even these quiet creatures show a competitive side when resources are on the line.​ Slugs use their radula, a tongue-like organ covered with tiny teeth, to rasp food and interact with rivals. This “mouthpart swinging” is both a feeding tactic and a way to assert dominance, proving that