Ramose Murex, also known as the Branching Murex

Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Muricidae, Genus: Chicoreus, Species: Chicoreus ramosus · Muricidae (Murex family) · Gastropod (snail/univalve), whole shell, spiral shape with elaborate fronds

Ramose Murex, also known as the Branching Murex

Species

Chicoreus ramosus

Shell Type

Gastropod (snail/univalve), whole shell, spiral shape with elaborate fronds

Family

Muricidae (Murex family)

Size

Approximately 7-8 inches in length, which is large and well-developed for this species. Adults typically range from 4 to 12 inches.

Color & Pattern

Predominantly creamy white to off-white exterior with faint brownish streaks along the axial ribs. The interior aperture is bright white, featuring a striking, warm salmon-pink or peach-colored flush along the outer lip and columellar shield. Colors appear natural and vibrant, indicating a fresh specimen.

Rarity

Common to Uncommon, though large, highly frilled, and pristine specimens like this are prized finds.

Habitat

Found in tropical shallow waters, typically in depths ranging from the intertidal zone down to about 40 meters. They prefer coral reef environments, rocky substrates, and areas with coral rubble.

Geographic Range

Indo-Pacific region, stretching from the East African coast and the Red Sea across the Indian Ocean to Southeast Asia, northern Australia, and Polynesia.

Description

A magnificent and heavily ornamented marine snail. This whole shell features three varices per whorl, adorned with elaborate, branched, frilly spines that give it a coral-like appearance. It has a broad, ovate aperture with a crenulated outer lip and a moderately long, partially open siphonal canal. The exterior surface is rugged with strong spiral cords and axial ridges.

Key Features

Distinguished by its three prominent varices per whorl, highly branched and frilly fronds, a deep pinkish-orange interior aperture margin, and a robust siphonal canal.

Collector Value

Moderately high value due to its large size, excellent structural preservation of the delicate fronds, and attractive pink aperture. It is a very popular display piece for collectors and is commonly found in specialized shell shops.

Condition Notes

Gem to Fine grade condition. The shell is fully intact with minimal wear on the delicate fronds and spines. The natural coloration is strong with a vivid pink aperture flush. No major boring holes or heavy barnacle encrustations visible.

Interesting Facts

Chicoreus ramosus is the largest species in the Muricidae family. Like other murex snails, they are predatory carnivores that drill into the shells of bivalves or force them open to feed. Historically, members of the Muricidae family were used to produce Tyrian purple, a highly prized and costly ancient dye.

Ecological Role

As apex carnivorous gastropods in coral reef ecosystems, they help regulate populations of bivalves and other marine invertebrates. They are an integral part of the benthic food web.

Similar Species

Chicoreus torrefactus (Fire Murex) and Chicoreus brunneus. They can be distinguished by differences in spine structure, overall color tones, and the specific shape of the variceal fronds.

Beach Finding Tips

Finding a pristine, fully frilled specimen like this on a beach is rare because the delicate spines easily break off in the surf. They are more commonly acquired through local divers or specialized shell dealers.

Notes

In a store

Identified on 10/2/2026