Dove Snail (also known as Dove Shell)
Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Columbellidae, Genus: Columbella, Species: Columbella mercatoria · Columbellidae (Dove Snail family) · Gastropod (univalve snail), whole shell, spiral shape
Species
Columbella mercatoria (Common Atlantic Dove Snail)
Shell Type
Gastropod (univalve snail), whole shell, spiral shape
Family
Columbellidae (Dove Snail family)
Size
Approximately 0.5 inches (12-15 mm), which is typical for an adult of this species. Most specimens range between 0.3 and 0.7 inches.
Color & Pattern
Glossy surface with a mottled pattern of brown, tan, and cream bands and zig-zag markings. The colors are natural and vibrant with a polished appearance.
Rarity
Common, frequently found by beachcombers in suitable tropical and subtropical habitats.
Habitat
Found in shallow intertidal and subtidal zones, typically inhabiting rocky shores, algal mats, and coral rubble environments in marine waters.
Geographic Range
Western Atlantic Ocean, including the Caribbean Sea, the Gulf of Mexico, and south along the coast of Brazil.
Description
A small, sturdy, spindle-shaped shell with a high spire and a thickened outer lip that bears small denticles on the interior. The surface is smooth and glossy with distinct axial ribs on the upper whorls.
Key Features
Fusiform shape, thick outer lip with inner denticles, smooth glossy texture, and distinctive brown and white zig-zag or mottled color patterns.
Collector Value
Low to moderate commercial value. While not rare or expensive, they are popular among micro-shell collectors and enthusiasts for their rich color variations.
Condition Notes
Intact whole shell with a glossy, undamaged surface, sharp apex, and good color retention. Collectibility grade: Fine.
Interesting Facts
Dove snails are active carnivores or scavengers, feeding on microalgae, detritus, and small invertebrates. Despite their tiny size, their dense populations play a significant role in grazing algae on rocky reefs.
Ecological Role
Acts as an important micro-grazer controlling algal growth on intertidal rocks and serves as a minor food source for small fish and carnivorous mollusks.
Similar Species
Other Columbella species such as Columbella rusticoides, which can be distinguished by subtle differences in coloration, spire height, and geographic distribution.
Beach Finding Tips
Look among shell drift lines, shell hash, and tidal pools along rocky tropical or subtropical beaches, especially after storms.