Overview
The Bladder Snail (Physella acuta) is a beginner freshwater species known for its brown-translucent, spotted coloration. Prolific. All surfaces.
Origin & Appearance
Origin: Worldwide.
Colors: Brown-Translucent, Spotted.
Body Shape: Snail (coiled shell). Typical adult dimensions: 1.5 x 1.2 x 1.2.
Sexual Dimorphism: Minimal; difficult to sex.
Tank & Water Requirements
| Min Tank Size | 3 gallons |
| Temperature | 59–82°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | All surfaces |
Behavior & Activity
Fast for a snail; active surface crawling; can float and crawl on water surface film; prolific explorer
Speed: 12/100Aggression: 1/10diurnalSchooling (3+)
Breeding
Very easy; prolific pest breeder
Common Diseases
💊 Shell erosion in soft/acidic water
Expert Notes
Prolific; often considered pest