Apple Murex (also known as the Common American Murex)

Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Muricidae, Genus: Chicoreus, Species: Chicoreus pomum · Muricidae (Murex family) · Gastropod (snail/univalve), whole shell, spiral shape with prominent varices and a short siphonal canal.

Apple Murex (also known as the Common American Murex)

Species

Chicoreus pomum

Shell Type

Gastropod (snail/univalve), whole shell, spiral shape with prominent varices and a short siphonal canal.

Family

Muricidae (Murex family)

Size

Approximately 2 to 3 inches in length, which is typical for a medium-sized adult of this species. Adults generally range between 2 and 4 inches.

Color & Pattern

The visible specimen is heavily sun-bleached to a uniform chalky white. In living or freshly dead specimens, the base color is typically a mottled tan, brown, or grayish-brown, often with darker spiral bands. The interior of the aperture, though obscured, is usually glossy white or tinged with pink or orange.

Rarity

Common, frequently found in shallow waters and occasionally washed up on beaches after storms.

Habitat

Found primarily in shallow subtidal waters to moderate depths, typically inhabiting areas with sandy bottoms, rubble, seagrass beds, and near coral reefs.

Geographic Range

Western Atlantic Ocean, ranging from North Carolina through Florida, the Gulf of Mexico, the Caribbean, and down to northern South America.

Description

A robust, highly ornamented murex shell characterized by three prominent frilly varices per whorl. The shell features a sturdy spire, heavy axial ribs, and a distinct, moderately short siphonal canal lined with small spines or projections. The surface is heavily textured with spiral cords and tubercles, giving it a rugged, architectural appearance.

Key Features

Three prominent, frilled varices per whorl, a well-developed siphonal canal with open tubular spines, and a rounded body whorl with strong spiral sculpture.

Collector Value

Low to moderate commercial value. While popular among beginner collectors for their interesting architecture, bleached or worn specimens like this one have little monetary value and are typically valued more as a personal beach souvenir.

Condition Notes

Fair condition. The shell is structurally intact with its overall morphology well-preserved, but it suffers from severe sun-bleaching, losing all natural coloration, and shows signs of minor surface weathering.

Interesting Facts

Murex snails are carnivorous predators that feed on bivalves and other gastropods. Historically, certain members of the Muricidae family were used to produce a highly prized purple dye known as Tyrian purple for ancient Mediterranean civilizations.

Ecological Role

Acts as an active marine predator helping to control populations of bivalves and other mollusks. It serves as part of the marine food web and is preyed upon by larger fish and crustaceans.

Similar Species

Can be confused with Chicoreus florifer (Flower Murex) or Phyllonotus pungens, but can be distinguished by the specific number, shape, and frilliness of the varices along with the length of the siphonal canal.

Beach Finding Tips

Best found by beachcombing along Gulf and Atlantic coasts of Florida, particularly following heavy storms or rough surf conditions that wash debris up onto the high-tide line.

Identified on 10/7/2026