/Especies%20habituales/Invertebrados/Mithraculus_sculptus.webp)
Invertebrates
Emerald Crab
Mithraculus sculptus
Key facts
- Temperature23–27 °C
- pH8.1–8.4
- Adult size5 cm
- Difficulty★★☆☆☆
- WaterMarine
Full profile
- Family
- Majidae
- Origin
- Caribbean and Western Atlantic
- Size
- 5 cm
- Temperature
- 23 – 27°C
- pH
- 8.1 – 8.4
- GH / KH / TDS
- Salinity 1.023–1.025
- Difficulty
- ★★☆☆☆
- Water type
- marine
- Behavior
- semi-aggressive (may attack small invertebrates)
- Compatible with fish
- All peaceful species; use caution with small shrimp
- Diet
- An algae-eater specializing in bubble algae (Valonia) and macroalgae
- Reproduction
- sexual; planktonic larvae
Notes: The only invertebrate effective against bubble algae (Valonia ventricosa), the “green plague” of marine aquariums. It also eats filamentous algae and Bryopsis. It may occasionally prey on small invertebrates if hungry. Add just a few individuals so they always have algae available.
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