Ziminella japonica

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Ziminella japonica
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Heterobranchia
Superfamily:
Flabellinoidea
Family:
Paracoryphellidae
Genus:
Ziminella
Species:
Z. japonica
Binomial name
Ziminella japonica
(Volodchenko, 1937) [1]

Ziminella japonica is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Paracoryphellidae. [1]

In biology, a species ( ) is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. 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. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. While these definitions may seem adequate, when looked at more closely they represent problematic species concepts. For example, the boundaries between closely related species become unclear with hybridisation, in a species complex of hundreds of similar microspecies, and in a ring species. Also, among organisms that reproduce only asexually, the concept of a reproductive species breaks down, and each clone is potentially a microspecies.

Sea slug group of marine invertebrates with varying levels of resemblance to terrestrial slugs

Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are actually gastropods, i.e. they are sea snails that over evolutionary time have either completely lost their shells, or have seemingly lost their shells due to having a greatly reduced or internal shell. The name "sea slug" is most often applied to nudibranchs, as well as to a paraphyletic set of other marine gastropods without obvious shells.

Nudibranch order of molluscs

Nudibranchs are a group of soft-bodied, marine gastropod molluscs which shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to match, such as "clown", "marigold", "splendid", "dancer", and "dragon". Currently, about 3,000 valid species of nudibranchs are known.

Contents

Description

Z. japonica can grow up to a maximum length of 75 mm (3.0 in) and ceratal color varies from cream to yellow, orange and pink. [2]

Cerata anatomical structures found in nudibranch sea slugs

Ceras, plural Cerata, are anatomical structures found externally in nudibranch sea slugs, especially in aeolid nudibranchs, marine opisthobranch gastropod mollusks in the clade Aeolidida. The singular of cerata is ceras, which comes from the Greek word "κέρας", meaning "horn", a reference to the shape of these structures.

Distribution

This species is widely distributed throughout British Columbia, Alaska, Japan, Siberia and Atlantic Canada to Massachusetts. [2]

British Columbia Province of Canada

British Columbia is the westernmost province of Canada, located between the Pacific Ocean and the Rocky Mountains. With an estimated population of 5.016 million as of 2018, it is Canada's third-most populous province.

Alaska State of the United States of America

Alaska is a U.S. state in the northwest extremity of North America, just across the Bering Strait from Asia. The Canadian province of British Columbia and territory of Yukon border the state to the east and southeast. Its most extreme western part is Attu Island, and it has a maritime border with Russia to the west across the Bering Strait. To the north are the Chukchi and Beaufort seas—southern parts of the Arctic Ocean. The Pacific Ocean lies to the south and southwest. It is the largest U.S. state by area and the seventh largest subnational division in the world. In addition, it is the 3rd least populous and the most sparsely populated of the 50 United States; nevertheless, it is by far the most populous territory located mostly north of the 60th parallel in North America: its population—estimated at 738,432 by the United States Census Bureau in 2015— is more than quadruple the combined populations of Northern Canada and Greenland. Approximately half of Alaska's residents live within the Anchorage metropolitan area. Alaska's economy is dominated by the fishing, natural gas, and oil industries, resources which it has in abundance. Military bases and tourism are also a significant part of the economy.

Japan Constitutional monarchy in East Asia

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies off the eastern coast of the Asian continent and stretches from the Sea of Okhotsk in the north to the East China Sea and the Philippine Sea in the south.

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<i>Lonicera japonica</i> species of plant

Lonicera japonica, known as Japanese honeysuckle and golden-and-silver honeysuckle, is a species of honeysuckle native to eastern Asia including China, Japan, and Korea. It is a twining vine able to climb up to 10 m (33 ft) high or more in trees, with opposite, simple oval leaves 3–8 cm (1.2–3.1 in) long and 2–3 cm (0.79–1.18 in) broad. The flowers are double-tongued, opening white and fading to yellow, and sweetly vanilla scented. The fruit is a black spherical berry 3–4 mm (0.12–0.16 in) diameter containing a few seeds.

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<i>Nerita japonica</i> species of mollusc

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S. japonica may refer to:

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Pseudoalteromonas bacteriolytica is a marine bacterium that causes red spot disease of Saccharina japonica.

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<i>Enida japonica</i> species of mollusc

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Asterophila japonica is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of three known species within the genus Asterophila, the other congeneric species being Asterophila perknasteri and Asterophila rathbunasteri.

Anatoma japonica is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Anatomidae.

Ginebis japonica is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.

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Granata japonica is a species of sea snail, a marine gastropod mollusk in the family Chilodontidae.

Zostera japonica, dwarf eelgrass or Japanese eelgrass, is a species of eelgrass native to the seacoast of eastern Asia from Russia to Vietnam, and introduced to the western coast of North America. It is found in the intertidal zone and the shallow subtidal, and grows on sandy, muddy and silty substrates.

<i>Babylonia japonica</i> species of mollusc

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References

  1. 1 2 World Register of Marine Species Retrieved July 5, 2012
  2. 1 2 slugsite Retrieved July 5, 2012
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