Are Daddy Long Legs Spiders?
The answer is a bit tricky, but the simple answer is no, daddy long legs are not considered true spiders. While they share some similarities with spiders, they belong to a different order called Opiliones.
Here's a breakdown of why they're not technically spiders:
Key Differences:
- Body Structure: Spiders have a distinct two-part body with a cephalothorax (head and chest combined) and an abdomen. Daddy long legs have a single, fused body with no clear separation between the head and abdomen.
- Eyes: Spiders have eight eyes, while daddy long legs have only two, and those are usually located on the top of their head.
- Legs: Although both have eight legs, spider legs are typically more segmented than those of daddy long legs.
- Venom: Spiders have fangs and use venom to subdue their prey. Daddy long legs do not have fangs or venom.
- Webs: Spiders are known for their webs, which they use to capture prey. Daddy long legs don't spin webs.
Similarities:
- Arthropods: Both daddy long legs and spiders are part of the arthropod family, meaning they have exoskeletons and jointed legs.
- Predatory Nature: Both prey on insects and other small invertebrates.
Why the Confusion?
The name "daddy long legs" can be confusing because it's also used for another arthropod: the harvestman (order Opiliones). Harvestmen, with their long, spindly legs, are often mistaken for true spiders.
Conclusion:
Even though they have some similarities, daddy long legs (also known as harvestmen) are not true spiders. They belong to a different order and have distinct physical characteristics, including a different body structure, fewer eyes, and lack of venom.
