biology

Haliotis virginea

Haliotis virginea is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Haliotis virginea rather than just read about it. In short: Haliotis virginea, common name virgin pāua, white-foot pāua, koio, or marapeka is a species of edible sea snail, a marine gastropod mollusk in the family Haliotidae, the abalone. It is endemic to New Zealand.

Key takeaways

Haliotis virginea belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Haliotis virginea to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Haliotis virginea from memory before moving on to harder problems.

Reference excerpt

Haliotis virginea, common name virgin pāua, white-foot pāua, koio, or marapeka is a species of edible sea snail, a marine gastropod mollusk in the family Haliotidae, the abalone. It is endemic to New Zealand. Haliotis virginea is one of several New Zealand Haliotis species referred to as pāua, species valued for their meat, shell, and cultural significance.

Description The size of the shell varies between 30 mm and 75 mm. Like all pāua, the shell of Haliotis virginea has a reflective nacreous interior.

Distribution and habitat The white-foot pāua is the least common but most widely distributed of the three commonly harvested species of New Zealand pāua. It is found on coastine on both the North and South islands, as well as the Antipodes Islands and Chatham Islands.

Subspecies A number of subspecies of Haliotis virginea are recognised:

Haliotis virginea crispata Gould, 1847 Haliotis virginea huttoni Filhol, 1880 Haliotis virginea morioria Powell, 1938 Antipodes pāua, Haliotis virginea stewartae Jones & Owen, 2004 DNA extracted from H. virginae shells in museums showed three main population divisions, inhabiting the Three Kings Islands; the Chatham, Auckland, and Antipodes Islands; and mainland New Zealand (as well as Campbell Island). These three clades do not correspond to the subspecies recognised above.

Human use

Haliotis virginea and three other Haliotis species are known as "pāua" in New Zealand and are a restricted food source.

References

Geiger D.L. & Poppe G.T. (2000). A Conchological Iconography: The family Haliotidae. Conchbooks, Hackenheim Germany. 135pp 83pls. Geiger D.L. & Owen B. (2012) Abalone: Worldwide Haliotidae. Hackenheim: Conchbooks. viii + 361 pp. Jones M. & Owen B. 2004. Description of Haliotis virginea stewartae new subspecies (Gastropoda) from subantarctic islands of New Zealand. Of Sea & Shore, 26(2): 81-85

External links Media related to Haliotis virginea at Wikimedia Commons

photos "Haliotis (Paua) virginea virginea". Gastropods.com. Retrieved 16 January 2019.

Illustrations

Worked examples

Example 1 — a first encounter with Haliotis virginea

Start with the simplest possible case. Write down what Haliotis virginea claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Haliotis virginea before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Haliotis virginea ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Haliotis virginea

In research: Haliotis virginea appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Haliotis virginea in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Haliotis virginea is common in secondary-school and first-year university syllabi. It links to neighbouring topics Abalone, Endemic fauna of New Zealand, Endemic molluscs of New Zealand, so understanding it makes those chapters shorter.
In everyday life: Look for Haliotis virginea outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Haliotis virginea in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Haliotis virginea means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Haliotis virginea out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Haliotis virginea in simple terms?

Why does Haliotis virginea matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Haliotis virginea?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Haliotis virginea.