Horseshoe crabs have remained unchanged for over 300 million years and are often known as “living fossils.”

Horseshoe crabs have remained unchanged for over 300 million years and are often known as “living fossils.”
Hermit crabs can live up to 30 years in the wild but survive on average 3-12 years as pets.
Some crab species eat harder foods like barnacles, starfish, and sand dollars.