Banded Dove Snail (also known as the Lined Dove Shell or Columbella)
Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Columbellidae, Genus: Columbella, Species: Columbella strombiformis · Columbellidae (Dove Snail family) · Gastropod (univalve), whole shell, spiral shape
Species
Columbella strombiformis
Shell Type
Gastropod (univalve), whole shell, spiral shape
Family
Columbellidae (Dove Snail family)
Size
Approximately 0.5 inches (12-15 mm) in length, which is average for this species. Adults typically range from 0.4 to 0.8 inches.
Color & Pattern
Glossy white base adorned with distinct, vibrant reddish-brown or chestnut spiral bands wrapping around the whorls. The coloration is completely natural and glossy, showcasing high shine.
Rarity
Common, frequently found by beachcombers in the tropical Eastern Pacific region.
Habitat
Found in shallow intertidal and subtidal zones, typically on sandy or rocky substrates, often associated with algae and coral rubble in tropical marine waters.
Geographic Range
Panamic province of the Eastern Pacific, stretching from the Gulf of California down through Central America, including the coast of Guanacaste, Costa Rica, to Ecuador and the Galapagos Islands.
Description
A small, sturdy, and glossy marine gastropod with a distinctive stromboid-like silhouette. The body whorl is large and stout, tapering to a sharp spire. It features striking, evenly spaced reddish-brown spiral bands against a smooth, polished porcelain-like white background.
Key Features
Smooth, glossy exterior finish, robust shell structure for its small size, prominent reddish-brown spiral striping, and a thickened outer lip with tiny denticles on the interior aperture margin.
Collector Value
Inexpensive and widely accessible, highly popular among micro-shell collectors and beachcombers for their bright, cheerful patterns and glossy finish.
Condition Notes
The specimen appears to be in 'Gem' or pristine condition with a bright, glossy finish, intact apex, and vibrant, unfaded coloration.
Interesting Facts
Dove snails are remarkably active for their size, moving rapidly across sandy and rocky bottoms on a muscular foot. Despite their delicate appearance, their shells are quite thick and durable to withstand wave action.
Ecological Role
Columbellids are primarily scavengers and micro-grazers, feeding on detritus, microalgae, and organic film on rocks and sand, serving as an important part of the coastal marine food web.
Similar Species
Columbella fuscata, which generally features mottled or zigzag brown patterns rather than distinct, clean spiral lines.
Beach Finding Tips
Look in shell drift lines along sandy beaches adjacent to rocky outcrops or coral reefs during low tide in the Gulf of Guanacaste, Costa Rica. Sifting through fine shell grit often reveals pristine specimens.
Notes
Costa Rica guanacaste