Common hermit crab
Pagurus bernhardus
InvertebrateMarine
The common hermit crab is a marine crustacean that can reach 10 cm (without shell). It lives in the cold waters of the North Atlantic. It feeds on carrion, algae, and small invertebrates. In an aquarium, it requires cool water and suitable shells.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 10–20 |
Care
Difficulty2/5
Dietomnivore
Min. tank50 L
Min. group1
Adult size10 cm
Lifespan5 ans
Temperamentpeaceful
Care notes
Temperature 10-20°C, salinity 1.023-1.025. Provide a large tank with sandy substrate and rocks. Empty shells required. Avoid tropical temperatures.