biology

Megalomys luciae

Megalomys luciae 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 Megalomys luciae rather than just read about it. In short: Megalomys luciae, also known as the Saint Lucia pilorie or Saint Lucia giant rice rat, is an extinct rodent in the family Cricetidae. It was endemic to the island of Saint Lucia, in the Lesser Antilles.

Key takeaways

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

Reference excerpt

Megalomys luciae, also known as the Saint Lucia pilorie or Saint Lucia giant rice rat, is an extinct rodent in the family Cricetidae. It was endemic to the island of Saint Lucia, in the Lesser Antilles.

Taxonomy The first description of the species was published by Charles Immanuel Forsyth Major in 1901, under the name Oryzomys luciae. The holotype is the stuffed specimen still held by the Natural History Museum of London.. Forsyth Major stated that he believed the specimen he was examining to be the same one that was mentioned being added to a collection in a 13 November 1849 entry in the Proceedings of the Zoological Society of London, then documented as the Mus (Hesperomys) pilorides (considered a synonym of Megalomys desmarestii). Édouard Louis Trouessart moved the species from Oryzomys to Megalomys in 1904.

Description M. luciae was described as smaller than Megalomys desmarestii, a closely related species from Martinique, by Forsyth Major. The stuffed M. lucaei specimen in the collection of the Natural History Museum had a head–body length of 261 mm (10.3 in). M. luciae had slender claws and brown fur, with the fur of the specimen at the Natural History Museum having pale area under the chin and throat separated from another pale area under the lower thorax by a dark streak.

Extinction M. luciae was endemic to the island of Saint Lucia, in the Lesser Antilles, and the last known individual died in London Zoo in 1852, after three years of living in captivity. It probably became extinct in the latter half of the 19th century due to introduction of the invasive small Indian mongoose, with the last record dating from 1881, right before the introduction of the mongoose to the island.

Notes

References

Illustrations

Worked examples

Example 1 — a first encounter with Megalomys luciae

Start with the simplest possible case. Write down what Megalomys luciae 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 Megalomys luciae 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 Megalomys luciae 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 Megalomys luciae

In research: Megalomys luciae 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 Megalomys luciae 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: Megalomys luciae is common in secondary-school and first-year university syllabi. It links to neighbouring topics IUCN Red List extinct species, Mammals described in 1901, Mammals of Saint Lucia, so understanding it makes those chapters shorter.
In everyday life: Look for Megalomys luciae 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 Megalomys luciae in 20 minutes

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

Frequently asked questions

What is Megalomys luciae in simple terms?

Why does Megalomys luciae 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 Megalomys luciae?

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 Megalomys luciae.