Fauna
Invertebrate

American Crown Conch

Melongena corona

Also known as Florida Crown Conch, Crown Conch

American crown conches prowl muddy shallows, mangrove roots, and oyster bars along subtropical coastlines, using a keen sense of smell to locate carrion and live bivalves. They wield a sturdy shell lip and an extendable proboscis to pry into prey shells and rasp away meat with a file-like radula. Unlike true conches which are herbivores, these predatory snails actively shape estuarine food webs and tolerate dramatic shifts in salinity and temperature.

MarineCarnivorousIntertidal
American Crown Conch reference1 / 7
(c) Josiah Londerée, some rights reserved (CC BY), uploaded by Josiah Londerée · cc-by
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Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyEastern Oyster, Ribbed Mussel, Marsh Periwinkle
Predators
  • Stone Crab
  • Blue Crab
  • Loggerhead Sea Turtle
ThreatsCoastal development, runoff pollution, and loss of oyster beds
HabitatsOyster reefs, salt marshes, mangrove swamps, and tidal flats
Life span10–20 years
Classification
  1. FamilyMelongenidae
  2. SpeciesMelongena corona
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Observation: Look along oyster bars and exposed mudflats during low tide when adults actively crawl and feed.
  • Shell Handling: Avoid taking live animals from the wild; return any temporarily inspected conch gently back to its substrate.
  • Tide Awareness: Watch tidal schedules carefully when wading out onto mudflats to avoid getting stranded.
Related species
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