How long does an aquarium crab live for?

Aquarium crabs, such as the popular fiddler crab or hermit crab, have varying lifespans depending on the species. Here are the average lifespans of some common aquarium crab species:

1. Fiddler Crab:

- Average lifespan: 1-3 years

- Some species may live up to 5 years in optimal conditions.

2. Hermit Crab:

- Average lifespan: 1-5 years

- Larger species, like the strawberry hermit crab, may live up to 10 years.

3. Vampire Crab:

- Average lifespan: 2-5 years

4. Red-Claw Crab:

- Average lifespan: 2-3 years

5. Emerald Crab:

- Average lifespan: 2-3 years

6. Sally Lightfoot Crab:

- Average lifespan: 2-4 years

7. Porcelain Crab:

- Average lifespan: 2-5 years

8. Blue-Legged Hermit Crab:

- Average lifespan: 3-5 years

9. Dwarf Blue Crab:

- Average lifespan: 1-2 years

10. Scarlet Hermit Crab:

- Average lifespan: 1-2 years

It's important to note that these are just average lifespan estimates, and actual lifespans can vary widely depending on factors such as water quality, diet, tank conditions, and individual crab health. Proper care and maintenance can help extend the lifespan of your aquarium crabs and ensure they thrive in your aquarium.