Overview
The Electric Blue Hermit Crab (Calcinus elegans) is a beginner saltwater species known for its electric blue legs coloration. Stunning electric blue legs. All surfaces.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Electric Blue legs.
Body Shape: Crab (wide carapace). Typical adult dimensions: 3.5 x 5.0 x 2.0.
Sexual Dimorphism: Moderate; males have narrower abdomen.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | All surfaces |
Behavior & Activity
Active reef walker; stunning blue legs crawl over rockwork; busy scavenging movement
Speed: 18/100Aggression: 1/10diurnalSchooling (5+)
Breeding
Not bred at home
Common Diseases
💊 Molt failure💊 bacterial
Expert Notes
Stunning electric blue legs; excellent reef cleaner