Cymbiolacca pulchra wisemani is a subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of large sea snail

Snail

Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

, a marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusc in the family volutidae

Volutidae

Volutidae, common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm, marine gastropod mollusks...

, the volutes.

This species occurs in shallow water on top of the Great Barrier Reef

Great Barrier Reef

The Great Barrier Reef is the world'slargest reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres over an area of approximately...

, Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, 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...

 from at least as far north as Saint Crispins Reef Reef east of Cape Tribulation

Cape Tribulation

Cape Tribulation is a headland and locality in northern Queensland, Australia north of Cairns. It is located within the Daintree National Park and the Wet Tropics World Heritage area. At the 2006 census, Cape Tribulation had a population of 101....

 to at least as far south as Stanley Reef north east of Bowen

Bowen

-Places:Australia* Bowen, Queensland, a town* Bowen Hills, Queensland, a suburb** Bowen Park, Brisbane, a park in Bowen Hills* Bowen Bridge, crossing the Derwent River in TasmaniaCanada* Bowen Island, British ColumbiaChina* Bowen Road, in Hong KongNigeria...

.

This subspecies is closely related to, and may be conspecific with, Cymbiolacca pulchra peristicta from the Swain Reefs region at the southern end of the Great Barrier Reef

Great Barrier Reef

The Great Barrier Reef is the world'slargest reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres over an area of approximately...

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The shell shape and colour pattern vary from population to population, with many endemic colour forms known.