Emerald Crab
Mithraculus sculptus
Compatibility at a Glance
~Reef compatible with caution — monitor closely
✓Coral compatible — can be kept with coral
✓Invertebrates compatible — can be kept with invertebrates
Emerald Crab is reef safe with caution — most individuals behave in reef tanks, but some may nip at corals or bother invertebrates. Keep well fed and watch closely.
Compatibility
~ Reef Compatible (with caution)✓ Coral Compatible✓ Invertebrate Compatible
Care Parameters
- Type:
- invert
- Aggression:
- peaceful
- Swimming Zone:
- bottom
- Per specimen:
- 1 per 15 gal
- Schooling:
- No
- Diet:
- omnivore
- Safety:
- ~Reef (caution)✓Coral✓Invert
Compatibility with Popular Tankmates
Verdicts from our compatibility engine, assuming a typical 90-gallon reef tank. How our engine works →
- ~Ocellaris Clownfish — With caution. Caution — Emerald Crab may harm coral/inverts if underfed or stressed Full verdict →
- ~Yellow Tang — With caution. Caution — Emerald Crab may harm coral/inverts if underfed or stressed Full verdict →
- ~Royal Gramma — With caution. Caution — Emerald Crab may harm coral/inverts if underfed or stressed Full verdict →
- ~Firefish Goby — With caution. Caution — Emerald Crab may harm coral/inverts if underfed or stressed Full verdict →
- ~Coral Beauty Angelfish — With caution. Caution — Emerald Crab may harm coral/inverts if underfed or stressed Full verdict →
- ~Blue Green Chromis — With caution. Schooling species — Blue Green Chromis needs 5+ companions; add at least 4 more Full verdict →
- ~Pajama Cardinalfish — With caution. Schooling species — Pajama Cardinalfish needs 5+ companions; add at least 4 more Full verdict →
- ~Sixline Wrasse — With caution. Caution — Emerald Crab may harm coral/inverts if underfed or stressed Full verdict →