Species profile
Common Atlantic Slippersnail
Crepidula fornicata
Identify Common Atlantic Slippersnail (Crepidula fornicata) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app.
At a glance
Common Atlantic Slippersnail (Crepidula fornicata) is a marine snails (periwinkle/cowrie) present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.
Confirmed by 10,426 research-grade iNaturalist observations, with Massachusetts, Florida, and Nova Scotia the top jurisdictions by observation count.
Notable details
- Lives in stacked chains of up to 12 individuals cemented on top of one another.
- Born male, individuals at the bottom of aging stacks gradually transition to female.
- Introduced to Europe with American oyster shipments in the late 1800s and is now invasive there.
- Feeds entirely by filtering plankton and organic particles from the water.
- The curved shell resembles the outline of a slipper, giving it its common name.
Where Common Atlantic Slippersnail are seen
Background
The common slipper shell, Crepidula fornicata, has many other common names, including common Atlantic slippersnail, boat shell, quarterdeck shell, fornicating slipper snail, Atlantic Slipper Limpet and it is known in Britain as the "common slipper limpet". This is a species of medium-sized sea snail, a marine gastropod mollusc in the family Calyptraeidae, the slipper snails and cup and saucer…
Background excerpt adapted from Wikipedia's Common Atlantic Slippersnail article (CC BY-SA). Visit Wikipedia for the full entry.
Other marine snails (periwinkle/cowrie) on CatchRules
Frequently asked questions
What is Common Atlantic Slippersnail?
Common Atlantic Slippersnail (Crepidula fornicata) is a marine snails (periwinkle/cowrie) present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.
What is the scientific name for Common Atlantic Slippersnail?
Common Atlantic Slippersnail is Crepidula fornicata.
Are there fishing rules for Common Atlantic Slippersnail?
Common Atlantic Slippersnail does not currently have published fishing rules in CatchRules' curated jurisdictions. Identification, range, and habitat are still tracked above.
How can I identify Common Atlantic Slippersnail?
Take a photo with the free CatchRules iPhone app — on-device identification recognizes Common Atlantic Slippersnail along with ~1,500 other species. No sign-up, unlimited use.
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.