Channeled Whelk
Busycotypus canaliculatus · Also known as: whelk, conch (market name)
Large predatory sea snail of Mid-Atlantic bays and beaches. Empty shells and egg-case “necklaces” are classic Assateague finds.
Quick facts
| Group | Gastropod / snail |
|---|---|
| Likelihood nearby | ★★★★☆ |
| Habitats | Ocean beach, Coastal bays, Inlet, Assateague State Park, Assateague National Seashore |
| Seasons (this coast) | year-round |
How to recognize them
- Pear-shaped shell with a deep channel between the whorls; tan to gray exterior.
- String-of-coins egg cases (whelk “necklaces”) wash ashore after storms.
Biology notes
- Carnivore that preys on clams and other bivalves using its radula and foot.
- Egg cases release tiny whelks that crawl away—no free-swimming larval stage.
Where to see them around Ocean City
- Ocean City and Assateague beach wrack after storms—look for shells and egg cases.
- Bay bottoms and inlet edges; markets sometimes sell “conch” (often whelk).
When to look
- Shells year-round; egg cases especially after fall–spring storms.
Viewing tips & etiquette
- Empty shells make great keepsakes; leave live whelks and intact egg cases.
