When a hermit crab finds a potential food source, it will use its claws to break the item down into smaller pieces. It will then use its mouthparts to eat the food, using its teeth to crush and grind the food into smaller particles.
Hermit crabs will eat a variety of foods, including:
- Small crustaceans, such as shrimp and crabs
- Mollusks, such as snails and clams
- Worms
- Insects
- Fish
- Algae
- Seaweed
- Dead or dying plants
Hermit crabs are also known to eat human food, such as bread, crackers, and fruits. However, it is important to avoid feeding hermit crabs human food, as it can be harmful to their health.
In addition to hunting for food, hermit crabs will also scavenge for food. They will often eat dead or dying animals, as well as the remains of other animals' meals. Hermit crabs will also eat feces from other animals, as it can be a source of nutrients.