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Muracypraea mus

A shell of Muracyprea mus from Amway Bay Venezuela, anterior end towards the right
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha
Superfamily:	Cypraeoidea
Family:	Cypraeidae
Genus:	Muracypraea
Species:	M. mus
Binomial name
*Muracypraea mus* (Linnaeus, 1758)
Synonyms
Cypraea mus Linnaeus, 1758

Muracypraea mus, common name the mouse cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.

This species was once considered to belong to the archaic genus Siphocypraea (which now includes only extinct species). In 2004 it was placed by Meyer in the specifically created genus Muracypraea Woodring, 1957.

Description

The shells of these rare cowries reach on average 38–45 millimetres (1.5–1.8 in) of length, with a minimum size of 30 millimetres (1.2 in) and a maximum size of 67 millimetres (2.6 in).^[1] They are pyriform, quite thick and heavy, almost swollen, with slightly square contours. The dorsum surface of these smooth and shiny shells is generally pale brown or beige, with a variable pattern of dark brown spots. The base may be pale brown or whitish, the poorly developed teeth are usually white or dark brown, the aperture is long and narrow. In the living cowries mantle and foot are well developed, with external antennae. Muracypraea mus is quite similar to Bernaya teulerei.

Distribution

Locus typicus of Cyp. mus tristensis: "Off Tucacas, Golfo de Triste, Venezuela."^[2]

These cowries live in the Southern Caribbean Sea, along northern Colombia and western Venezuela.
Darker shells sometimes trawled at 100 metres. Also recently discovered at Malmok, Aruba, at a depth of 30 metres.

Habitat

Muracypraea mus lives in tropical shallow water, generally in the low intertidal zone on seagrass beds, but also at greater depths, usually feeding on algae and sponges (omnivore-grazer). Minimum recorded depth is 0 m.^[1] Maximum recorded depth is 20 m.^[1]

Subspecies

Muracypraea mus bicornis Sowerby, 1870
Muracypraea mus mus Linnaeus, 1758
Muracypraea mus tristensis Petuch, 1987

References

^ ^a ^b ^c Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
^ Petuch, E.J. 1987-New Caribbean Molluscan Faunas, page 92. Publ: CERF

WoRMS
Burgess, C.M. (1985) Cowries of the World. Gordon Verhoef, Seacomber Publications, South Africa, Cape Town. XIV + 289 pp. page(s): 168
Lorenz F. & Hubert A. (2000) - A guide to worldwide cowries. Edition 2. Hackenheim: Conchbooks. 584 pp

External links

Wikimedia Commons has media related to Muracypraea mus.

Biolib
"Muracypraea mus mus". Gastropods.com. Retrieved 16 January 2019.
Paleo Database
Flmnh
Muracypraea mus subspecies

Taxon identifiers
Muracypraea mus	Wikidata: Q3008854 BOLD: 31134 CoL: 44KZJ EoL: 484821 GBIF: 4963365 iNaturalist: 850662 IRMNG: 11741678 NCBI: 220474 OBIS: 533135 Open Tree of Life: 613289 Paleobiology Database: 121800 WoRMS: 533135
Cypraea mus	Wikidata: Q47492498 CoL: 33H3L GBIF: 2301244 IRMNG: 11439821 ITIS: 72761 Open Tree of Life: 613289 SeaLifeBase: 4834 WoRMS: 719934

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