Invertebrate:
Emerald crab
Mithraculus sculptus
formerly Mithrax sculptus
Marine
Adult size5 cm
Tank80 L or more
Care levelBeginner
Will it fit your tank?
Compare it with your tank's species, size, water tests and country.
Water
Temperature23.9–27.8 °C
5 °C35 °C
pH8.0–8.5
49
Carbonate hardness6.5–7.5 dKH
0 dKH20 dKH
Salinity30.5–33.2 ppt
0 ppt40 ppt
- Comfortable
- Acceptable, less ideal
- Tolerated, not comfortable
Space
Tank volume80 L
- The space it needs, from the least to the most generous
- Recommended
Character and care
- TemperamentUsually semi-aggressive
- Social lifeSolitary
- DietHerbivore, omnivore
- Reef safeYes, with caution
Legal rules
The least the law allows, by country: the water and space above are what the species needs. A tank is checked against its own country's rules.
Austria
2 rules
- Nitrite: up to 0.05 mg/L NO₂
- Nitrate: up to 5 mg/L NO₃