Mauritia histrio
Encyclopedia
Mauritia histrio, common name
Common name
A common name of a taxon or organism is a name in general use within a community; it is often contrasted with the scientific name for the same organism...

 the Harlequin Cowry or the Stage Cowry, is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

, a cowry
Cowry
Cowry, also sometimes spelled cowrie, plural cowries, is the common name for a group of small to large sea snails, marine gastropod molluscs in the family Cypraeidae, the cowries...

, a marine gastropod mollusk in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Cypraeidae
Cypraeidae
Cypraeidae, common name the cowries , is a taxonomic family of small to large sea snails. These are marine gastropod mollusks in the superfamily Cypraeoidea, the cowries and cowry allies.-Shell description:...

, the cowries.

Description

These quite common large shells reach on average 40–55 mm (1.6–2.2 ) of length, with a maximum size of 88 millimetres (3.5 in) and a minimum size of 20 millimetre (0.78740157480315 in). The basic color of this cowry is pale brown, with many grey round spots on the dorsum surface and several dark brown marginal spots on the edges. The base is mainly white or pale brown, with a wide aperture and well-developed darker teeth, longer and stronger on the outer side. In the living mollusk the mantle is transparent, with short papillae. Mauritia histrio is quite similar to Cypraea arabica
Cypraea arabica
Mauritia arabica, common name the Arabian cowry, is a species of cowry, a sea snail, a marine gastropod mollusk in the family Cypraeidae, the cowries...

 and Mauritia eglantina.

Distribution

This species is distributed in the Indian Ocean and Western Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, along Aldabra
Aldabra
Aldabra, the world's second largest coral atoll, is in the Aldabra Group of islands in the Indian Ocean that form part of the Seychelles. Uninhabited and extremely isolated, Aldabra is virtually untouched by humans, has distinctive island fauna including the Aldabra Giant Tortoise, and is...

, Chagos, East Africa, Kenya
Kenya
Kenya , officially known as the Republic of Kenya, is a country in East Africa that lies on the equator, with the Indian Ocean to its south-east...

, Madagascar
Madagascar
The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

, the Mascarene Basin, Mauritius
Mauritius
Mauritius , officially the Republic of Mauritius is an island nation off the southeast coast of the African continent in the southwest Indian Ocean, about east of Madagascar...

, Mozambique
Mozambique
Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...

, Réunion
Réunion
Réunion is a French island with a population of about 800,000 located in the Indian Ocean, east of Madagascar, about south west of Mauritius, the nearest island.Administratively, Réunion is one of the overseas departments of France...

, the Seychelles
Seychelles
Seychelles , officially the Republic of Seychelles , is an island country spanning an archipelago of 115 islands in the Indian Ocean, some east of mainland Africa, northeast of the island of Madagascar....

, Tanzania
Tanzania
The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...

, North West Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 and Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

.

Habitat

Mauritia histrio live the tropical shallow waters. As it is nocturnal during the day they hide under rocks, large blocks or deep crevices in coral reefs.

Synonyms

  • Cypraea histrio Gmelin, 1791 (basionym
    Basionym
    Basionym is a term used in botany, regulated by the International Code of Botanical Nomenclature...

    )
  • Cypraea reticulata Martyn, 1784
  • Cypraea amethystea Linnaeus, 1758
  • Cypraea histrio Gmelin, 1791
  • Cypraea oculata Röding, P.F., 1798
  • Cypraea undosa Röding, P.F., 1798
  • Cypraea arlequina Mörch, O.A.L., 1852
  • Arabica westralis Iredale, 1935
  • Mauritia (Arabica) histrio var. duploreticulata Coen, 1949


Subspecies

  • Mauritia histrio histrio Gmelin, 1791
  • Mauritia histrio westralis Iredale, 1935

Gallery

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External links

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