Introduction: Why do spiders dribble digestive juices?
Spiders are fascinating creatures that have adapted to survive in various habitats across the world. One of their most intriguing behaviors is the way they digest their prey. Unlike most animals that ingest their food whole and digest it internally, spiders dribble digestive juices on their prey to break it down externally. This behavior raises the question: why do spiders dribble digestive juices on prey?
The anatomy of spiders and how they digest prey
To understand why spiders dribble digestive juices, it is essential to know the anatomy of spiders and their digestive process. Spiders have a simple digestive system that consists of a mouth, an esophagus, a stomach, and an intestine. They do not have teeth, so they use venom to immobilize their prey. Once the prey is immobilized, spiders use their chelicerae, which are sharp, pointed appendages, to puncture the prey’s exoskeleton and inject digestive enzymes. These enzymes break down the prey’s tissues, making it easier for the spider to suck out the liquefied nutrients.