Overview
The Banded Trochus Snail (Trochus histrio) is a beginner saltwater species known for its black, white bands coloration. Can self-right. All surfaces.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Black, White bands.
Body Shape: Snail (conical shell). Typical adult dimensions: 3.0 x 1.2 x 4.5.
Sexual Dimorphism: Minimal; difficult to sex.
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | All surfaces |
Behavior & Activity
Same as trochus; self-righting capable; steady surface grazing; methodical cleanup movement
Speed: 12/100Aggression: 1/10diurnalSchooling (3+)
Breeding
Not bred at home
Common Diseases
💊 Shell erosion in soft/acidic water
Expert Notes
Can self-right; excellent reef cleaner