One Black Murex Shell, measuring 3.5 to 4 inches. *****

One Black Murex Shell, measuring 3.5 to 4 inches.

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Muricanthus radix common name Radix Murex or Black Murex

The Radix, Black or Root Murex, are a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

(REF: MolluscaBase eds. (2021). MolluscaBase. Muricanthus radix (Gmelin, 1791). Accessed through: World Register of Marine Species )

These species dwell in the western Pacific, in parts of Central America (Baja California, from Mexico to Peru)

(REF: "Hexaplex (Muricanthus) radix". Gastropods.com. )(REF: Galli C.: WMSDB - Worldwide Mollusc Species Data Base)

The Black Murex species can be found in the western Pacific in parts of Central America (Baja California, from Mexico to Peru)

(REF: "Hexaplex (Muricanthus) radix". Gastropods.com) (REF: Galli C.: WMSDB - Worldwide Mollusc Species Data Base)

These species dwell along the tropical coasts in shallow waters among intertidal rocks

Shells of Muricanthus Radix commonly grow 2 to 6 inches. These large, massive, heavy shells are globose or pear-shaped and very spiny, with a white surface and blackish-brown foliations and spiral elements. The body whorls have six to eleven varices. The aperture is large, broad, ovate and porcelaneous white. The outer edges are strongly dentate. The siphonal canal is moderately long. The operculum is dark brown.

These species are similar to Hexaplex Nigritus. The shells of these two species mainly differ in the length, width and in the proportion of blackish-brown versus white. The shells of Hexaplex Radix are less oblong and show fewer spines in black.[4][5]

(REF: George E. Radwin; Anthony D'Attilio (1976). Murex Shells of the World: An Illustrated Guide to the Muricidae. Stanford University Press)

Hexaplex Radix are carnivorous feeding primarily on clams