''Sagmariasus verreauxi'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of spiny lobster that lives around northern

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

, the

Kermadec Islands The Kermadec Islands ( ; ) are a subtropical island arc in the South Pacific Ocean northeast of New Zealand's North Island, and a similar distance southwest of Tonga. The islands are part of New Zealand. They are in total area and uninhabit ...

the

Chatham Islands The Chatham Islands ( ; Moriori language, Moriori: , 'Misty Sun'; ) are an archipelago in the Pacific Ocean about east of New Zealand's South Island, administered as part of New Zealand, and consisting of about 10 islands within an approxima ...

and

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

from

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

Tasmania Tasmania (; palawa kani: ''Lutruwita'') is an island States and territories of Australia, state of Australia. It is located to the south of the Mainland Australia, Australian mainland, and is separated from it by the Bass Strait. The sta ...

. It is probably the longest decapod crustacean in the world, alongside the

American lobster The American lobster (''Homarus americanus'') is a species of lobster found on the Atlantic Ocean, Atlantic coast of North America, chiefly from Labrador to New Jersey. It is also known as Atlantic lobster, Canadian lobster, true lobster, norther ...

''Homarus americanus'', growing to lengths of up to .

Names

The species has many

common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often con ...

s in English, including ''Australian crayfish'', ''common crayfish'', ''common Sydney crayfish'', ''eastern crayfish'', ''eastern rock lobster'', ''green cray'', ''green crayfish'', ''green lobster'', ''green rock lobster'', ''marine crayfish'', ''New South Wales spiny lobster'', ''packhorse crayfish'', ''packhorse lobster'', ''sea crayfish'', ''smooth-tailed crayfish'' and ''Sydney crayfish''. In

Māori Māori or Maori can refer to: Relating to the Māori people * Māori people of New Zealand, or members of that group * Māori language, the language of the Māori people of New Zealand * Māori culture * Cook Islanders, the Māori people of the Co ...

, it is called '. ''S. verreauxi'' was formerly included in the genus '' Jasus'', but has been separated into a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

''Sagmariasus'' due to the lack of sculpturation on the abdomen, which is found in all other ''Jasus'' species. The name ''Sagmarasius'' derives from the

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

(''sagmarion''), meaning

packhorse A packhorse, pack horse, or sumpter refers to a horse, mule, donkey, or pony used to carry goods on its back, usually in sidebags or panniers. Typically packhorses are used to cross difficult terrain, where the absence of roads prevents the use of ...

, and the genus name ''Jasus'', in reference to the common name "packhorse crayfish".

Human context

During the early 20th Century, ''Sagmariasus verrauxi'' and '' Jasus edwardsii'' were one of the cheapest seafoods in New Zealand, with European New Zealanders preferring the taste of British crayfish, ''

Austropotamobius pallipes ''Austropotamobius pallipes'' is an endangered European freshwater crayfish, and the only crayfish native to the British Isles. Its common names include white-clawed crayfish and Atlantic stream crayfish. Distribution It is found from the easter ...

''. Large hauls of ''Sagmariasus verrauxi'' were harvested in Northland, either sold cheaply or used as chickenfeed. ''Sagmariasus verrauxi'' was occasionally considered a pest that impacted fishing numbers, leading fishermen to occasionally destroy the crayfish. Populations of ''Sagmariasus verrauxi'' declined by the 1970s.

Names

Human context

References

Further reading