Butter Buttercup, Angel Wing (misnomer), or Boat Shell
Phylum: Mollusca, Class: Gastropoda, Order: Littorinimorpha, Family: Volutidae, Genus: Melo, Species: Melo melo · Volutidae (Volute family) · Gastropod univalve, whole shell with an inflated, boat-like shape and extremely reduced spire.

Species
Melo melo (Commonly known as the Bailer Shell)
Shell Type
Gastropod univalve, whole shell with an inflated, boat-like shape and extremely reduced spire.
Family
Volutidae (Volute family)
Size
Approximately 6-8 inches, typical of a medium-sized adult Melo melo. Adults can range from 4 to over 10 inches.
Color & Pattern
Warm, creamy peach to butter-yellow coloration with smooth, polished exterior and interior. Shows natural gradient shading with no complex markings or banding.
Rarity
Common in its native range, but intact specimens with good color and polish are considered a nice find for collectors outside of local markets.
Habitat
Found in shallow marine waters, typically on muddy bottoms or sand substrates in depths ranging from intertidal zones down to about 30 meters.
Geographic Range
Indo-Pacific region, specifically Southeast Asia, including the South China Sea, the Philippines, Indonesia, and waters off the coast of Myanmar and Thailand.
Description
This is a striking gastropod shell notable for its massive, inflated body whorl and almost entirely recessed, hidden spire, giving it a smooth, rounded, spoon- or boat-like appearance. The aperture is exceptionally large, occupying almost the entire length of the shell. The surface is smooth and lustrous, gleaming with a warm buttery cream and soft peach hue.
Key Features
Extremely enlarged body whorl, virtually absent spire, lack of operculum in adults, massive expansive aperture, and smooth, porcelain-like texture.
Collector Value
Moderately high for large, flawless specimens with exceptional color. Commonly sold in coastal shell shops as decorative display pieces.
Condition Notes
Gem condition, completely intact with high natural luster, no major chips, cracks, or boring marks. Natural warm coloration is fully preserved without sun-bleaching.
Interesting Facts
The Melo melo is commonly known as the Bailer Shell because indigenous peoples in its native range historically used the large, lightweight body chamber to bail water out of canoes. It is also famous for producing non-nacreous 'Melo pearls' which are highly prized and extremely rare.
Ecological Role
As carnivorous predatory gastropods, they feed on other mollusks and benthic organisms, maintaining balance in soft-bottom marine ecosystems.
Similar Species
Melo amphora (Giant Bailer Shell), which tends to be larger, features more prominent shoulder spines or crown features, and often displays brownish flame markings or bands.
Beach Finding Tips
Finding a live or freshly dead Melo melo on a beach is uncommon due to their subtidal habitat; most specimens are obtained via local fishermen or diving in muddy shallow waters.