L’araignée gladiatrice : chasse nocturne spectaculaire avec filet extensible et télémètre naturel

Añadido: 2026-05-28

[00:00:00]Hold on tight. The gladiator spider Deinopis stretches between its legs a rectangular net of stretchable silk which it catapults like a landing net onto prey on the ground or in mid-air. And to aim in the dark, these enormous posterior eyes literally reform each twilight by regenerating a photosensitive layer which it digests in the morning while it marks below itself a thin white line of droppings which serves as a rangefinder in order to calibrate the fall of the net to within a few centimeters. Yeah.