biology

Pimelodella kronei

Pimelodella kronei 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 Pimelodella kronei rather than just read about it. In short: Pimelodella kronei is a species of three-barbeled catfish endemic to Brazil. Discovered by the German naturalist Sigismund Ernst Richard Krone, it was the first troglobitic fish described in Brazil, but several others have been described later.

Key takeaways

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

Reference excerpt

Pimelodella kronei is a species of three-barbeled catfish endemic to Brazil. Discovered by the German naturalist Sigismund Ernst Richard Krone, it was the first troglobitic fish described in Brazil, but several others have been described later.

Description Pimelodella kronei is an exclusively troglobitic species endemic to cave streams along the Betari River basin, a tributary of the upper Ribeira de Iguape River. The species is adapted to the food scarcity typical of subterranean habitats and appears to be undergoing a process of losing its cryptobiotic habits—the blind catfish exhibits little or no photophobia and spends much of its time actively exploring the whole environment, not only the bottom but also the water column and the surface. As with other troglobitic fish, they are oriented toward environmental stimuli, likely interpreting them as indicators of food. They are highly susceptible to environmental fluctuations, depending on the relative stability of the underground habitat. With a low reproduction and growth rate (growing less than 1 mm a month, but has high longevity of 15 to 20 years), they present a low capacity to replace population losses due to natural or anthropogenic causes. The increase in environmental disruption due to human activity and their low reproductive rate makes them a highly vulnerable species. This fish reaches a length of 20.2 centimetres (8.0 in) SL.

References

External links Data for Pimelodella kronei — at Fishbase.us

Illustrations

Worked examples

Example 1 — a first encounter with Pimelodella kronei

Start with the simplest possible case. Write down what Pimelodella kronei 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 Pimelodella kronei 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 Pimelodella kronei 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 Pimelodella kronei

In research: Pimelodella kronei 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 Pimelodella kronei 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: Pimelodella kronei is common in secondary-school and first-year university syllabi. It links to neighbouring topics Catfish of Brazil, Catfish stubs, Cave fish, so understanding it makes those chapters shorter.
In everyday life: Look for Pimelodella kronei 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 Pimelodella kronei in 20 minutes

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

Frequently asked questions

What is Pimelodella kronei in simple terms?

Why does Pimelodella kronei 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 Pimelodella kronei?

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 Pimelodella kronei.