biology

Hydrophis torquatus

Hydrophis torquatus 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 Hydrophis torquatus rather than just read about it. In short: Hydrophis torquatus, also known as the west coast black-headed sea snake, is a species of venomous sea snake in the family Elapidae that is native to Southeast Asia. The specific epithet torquatus ("collared") refers to the body markings.

Key takeaways

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

Reference excerpt

Hydrophis torquatus, also known as the west coast black-headed sea snake, is a species of venomous sea snake in the family Elapidae that is native to Southeast Asia. The specific epithet torquatus ("collared") refers to the body markings.

Subspecies Hydrophis torquatus torquatus (Günther, 1864) Hydrophis torquatus diadema (Günther, 1864) Hydrophis torquatus aagaardi (Smith, 1920)

Description The species grows to about 104 cm in length. The upper body is grey or whitish, with a yellow to whitish belly, and with black bands which fade with age. The head is black with a yellowish band on the snout and along the sides.

Behaviour The species is viviparous.

Distribution and habitat The range of the snake encompasses the southern South China Sea, the Gulf of Thailand and the Straits of Malacca, including the adjoining coastal waters of the Malay Peninsula, Sumatra and Borneo, as well as the fresh water Tonlé Sap lake in Cambodia.

References

Worked examples

Example 1 — a first encounter with Hydrophis torquatus

Start with the simplest possible case. Write down what Hydrophis torquatus 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 Hydrophis torquatus 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 Hydrophis torquatus 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 Hydrophis torquatus

In research: Hydrophis torquatus 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 Hydrophis torquatus 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: Hydrophis torquatus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Elapidae stubs, Hydrophis, IUCN Red List data deficient species, so understanding it makes those chapters shorter.
In everyday life: Look for Hydrophis torquatus 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 Hydrophis torquatus in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Hydrophis torquatus 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 Hydrophis torquatus out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hydrophis torquatus in simple terms?

Why does Hydrophis torquatus 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 Hydrophis torquatus?

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 Hydrophis torquatus.