ArticleslgStudy

biology

Horaglanis krishnai

Horaglanis krishnai 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 Horaglanis krishnai rather than just read about it. In short: Horaglanis krishnai, the Indian blind catfish, is a species of airbreathing catfish endemic to India, mainly in wells and underground water channels around Kottayam, Kerala. It lacks pigmentation and eyes, like other cavefish, and reaches about 4.2 cm (1.7 inches) in total length.

Horaglanis krishnai — main illustration
Horaglanis krishnai — illustration

Key takeaways

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

Reference excerpt

Horaglanis krishnai, the Indian blind catfish, is a species of airbreathing catfish endemic to India, mainly in wells and underground water channels around Kottayam, Kerala. It lacks pigmentation and eyes, like other cavefish, and reaches about 4.2 cm (1.7 inches) in total length.

Etymology The fish is named in honor of Mr. N. Krishna Pillay, who collected the holotype after draining a well in 1948.

References

Worked examples

Example 1 — a first encounter with Horaglanis krishnai

Start with the simplest possible case. Write down what Horaglanis krishnai 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 Horaglanis krishnai 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 Horaglanis krishnai 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 Horaglanis krishnai

In research
Horaglanis krishnai 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 Horaglanis krishnai 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
Horaglanis krishnai is common in secondary-school and first-year university syllabi. It links to neighbouring topics Catfish of Asia, Cave fish, Clariidae stubs, so understanding it makes those chapters shorter.
In everyday life
Look for Horaglanis krishnai 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.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Horaglanis krishnai” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Horaglanis krishnai in 20 minutes

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

Frequently asked questions

What is Horaglanis krishnai in simple terms?

Horaglanis krishnai, the Indian blind catfish, is a species of airbreathing catfish endemic to India, mainly in wells and underground water channels around Kottayam, Kerala. It lacks pigmentation and eyes, like other cavefish, and reaches about 4.2 cm (1.7 inches) in total length.

Why does Horaglanis krishnai 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 Horaglanis krishnai?

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 Horaglanis krishnai.

Tags

  • Catfish of Asia
  • Cave fish
  • Clariidae stubs
  • Fish described in 1950
  • Freshwater fish of India
  • Horaglanis
  • IUCN Red List data deficient species
  • Taxa named by Ambat Gopalan Kutty Menon

Keep exploring