Crown Conch (King's Crown Conch)
Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Melongenidae, Genus: Melongena, Species: Melongena corona · Melongenidae (Crown Conch family) · Gastropod (univalve, spiral shape, whole shell)

Species
Melongena corona
Shell Type
Gastropod (univalve, spiral shape, whole shell)
Family
Melongenidae (Crown Conch family)
Size
Approximately 2 to 3.5 inches, which is typical for adult specimens of this species. Adults generally range from 2 to 5 inches.
Color & Pattern
Cream to light brown base with dark brown or reddish-brown spiral banding, often featuring mottled patterns and distinctive dark zones around the spines and aperture.
Rarity
Common
Habitat
Shallow marine and brackish waters, commonly found in salt marshes, mangrove swamps, intertidal mudflats, and seagrass beds.
Geographic Range
Southeastern United States, particularly Florida and the Gulf of Mexico, extending into the Caribbean.
Description
A robust, heavy marine snail shell characterized by a distinctive row of sharp spines adorning the shoulder of the body whorl. The spire is moderately low with a tapering canal, and the surface displays strong growth lines and spiral ridges.
Key Features
Prominent spines along the shoulder of the body whorl, a relatively low spire, and a distinctively patterned exterior with dark spiral bands.
Collector Value
Moderately popular among regional shell collectors, typically valued at low to moderate prices depending on size, spine development, and color variations.
Condition Notes
Good to Fine condition with natural coloration intact, minor wear on the apex typical of beach or marsh-collected specimens.
Interesting Facts
Crown conchs are voracious predators in salt marshes, feeding on bivalves such as oysters and clams, and they are remarkably tolerant of varying salinity levels.
Ecological Role
Acts as an important carnivorous predator controlling bivalve populations in salt marsh ecosystems, and provides empty shells as secondary homes for hermit crabs.
Similar Species
Melongena bicolor and Pugilina morio, which can be distinguished by differences in geographic range, spine configuration, and overall spire proportions.
Beach Finding Tips
Look along mangrove roots, salt marsh borders, and mudflats during low tide in the southeastern United States, especially after storm events.