biology

Zingel zingel

Zingel zingel 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 Zingel zingel rather than just read about it. In short: Zingel zingel, the zingel, is a species of freshwater ray-finned fish in the family Percidae. It is found in fast-flowing streams in southeastern Europe.

Key takeaways

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

Reference excerpt

Zingel zingel, the zingel, is a species of freshwater ray-finned fish in the family Percidae. It is found in fast-flowing streams in southeastern Europe. It is the type species of the genus Zingel.

Description Zingel zingel has two separate dorsal fins with 13–15 spines in the first and 18–20 soft rays in the second. No scales occur on the cheeks. They grow to 15 to 30 cm (5.9 to 11.8 in) in length with a maximum length of 48 cm (19 in).

Distribution Zingel zingel is endemic to the drainage basins of the Danube and Dniestr in south-eastern Europe. They have been recorded from Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Czechia, Germany, Hungary, Moldova, Montenegro, North Macedonia, Poland, Romania, Serbia, Slovakia, Slovenia, and Ukraine.

Habitat and biology Zingel zingel adults are found in fast-flowing waters in the main course of large rivers. They spawn over sandy bottoms during March and April. Each female mates with several males in dense spawning aggregations. Each female lays about 5,000 adhesive eggs that attach to gravel. Their prey is made up of aquatic insects, crustaceans, fish eggs, and smaller fish. They normally occur at lower altitudes than the streber (Z. streber).

Taxonomy Zingel zingel was first formally described as Perca zingel in 1766 by Linnaeus with the type locality given as the River Danube in Germany. When Hippolyte Cloquet (1787–1840) created the genus Zingel he made this species the type species by absolute tautonymy.

References

Illustrations

Worked examples

Example 1 — a first encounter with Zingel zingel

Start with the simplest possible case. Write down what Zingel zingel 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 Zingel zingel 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 Zingel zingel 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 Zingel zingel

In research: Zingel zingel 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 Zingel zingel 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: Zingel zingel is common in secondary-school and first-year university syllabi. It links to neighbouring topics Animal taxa named by Carl Linnaeus, Fish described in 1766, Fish of Europe, so understanding it makes those chapters shorter.
In everyday life: Look for Zingel zingel 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 Zingel zingel in 20 minutes

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

Frequently asked questions

What is Zingel zingel in simple terms?

Zingel zingel, the zingel, is a species of freshwater ray-finned fish in the family Percidae. It is found in fast-flowing streams in southeastern Europe.

Why does Zingel zingel 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 Zingel zingel?

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 Zingel zingel.