Bladder Snail Care Guide
Physella acuta
- Max Size
- 2.0 cm / 0.8"
- Temperature
- 18–28°C (64–82°F)
- pH Range
- 6.0 – 8.0
- Min Tank Size
- 10L (3 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom
- Origin
- North America
- Temperament
- Peaceful
- Difficulty
- Easy
- Breeding Difficulty
- Easy
Diet
Omnivorous; they feed on algae, biofilm, and decaying plant matter.
Community Compatibility
Peaceful small fish and other invertebrates; they are non-aggressive and coexist easily.
Gender Differences
Females are slightly larger; otherwise, sexes are hard to distinguish externally.
About the Bladder Snail
If tenacity had a tiny shell, it would be a Bladder Snail crawling along your aquarium glass. Physella acuta is one of those unassuming little creatures that somehow becomes impossible to ignore once you start watching. Its translucent, spiraled shell lets you glimpse the slow, precise mechanics of life inside, while its wiggling tentacles and rhythmic glides across leaves and decorations give it a quirky, almost endearing personality.
These snails are surprisingly industrious. They’re constantly on the move, grazing on algae, leftover food, and detritus, quietly tidying up corners that might otherwise go unnoticed. Watching them explore is like observing a tiny, determined laborer at work—there’s a slow but steady diligence in every motion. Even their seemingly random climbs up glass or plants reveal a purposeful curiosity, as if each surface might hide some hidden treasure or snack.
Bladder Snails also have a fascinating life story beneath their delicate shells. They reproduce quickly and often, leaving tiny egg clusters that, if you watch closely, turn into a miniature ecosystem of snails crawling in every direction. While some aquarists see them as pests, there’s a certain charm in their resilience and adaptability. These little snails quietly transform a tank, not with flashy colors or frantic swimming, but with persistence, curiosity, and a subtle sense of life that’s almost meditative to observe.
Stock Bladder Snail in Your Tank
Use our free stocking calculator to see if Bladder Snail fits your aquarium