science

Gila (fish)

Gila (fish) is a science 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 Gila (fish) rather than just read about it. In short: Gila is a genus of fish belonging to the family Leuciscidae, native to the United States and Mexico. Species of Gila are collectively referred to as western chubs.

Key takeaways

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

Reference excerpt

Gila is a genus of fish belonging to the family Leuciscidae, native to the United States and Mexico. Species of Gila are collectively referred to as western chubs. The species in the genus Siphateles are close relatives. Several members of the genus are endangered or extinct due to loss of habitat caused by diversion or overuse of water resources, particularly in the western United States.

Species Gila contains the following valid recent species:

Gila alutacea (Agassiz & Pickering, 1855) (Chiselmouth) Gila atraria (Girard, 1856) (Utah chub) Gila brevicauda S. M. Norris, J. M. Fischer & W. L. Minckley, 2003 (Shorttail chub) Gila coerulea (Girard, 1856) (Blue chub) Gila conspersa Garman, 1881 (Nazas chub) Gila coriacea (Hubbs & Miller, 1948) (Moapa dace) †Gila crassicauda (S. F. Baird & Girard, 1854) (Thicktail chub (extinct: late 1950s)) Gila cypha Miller, 1946 (Humpback chub) Gila ditaenia Miller, 1945 (Sonora chub) Gila elegans Baird & Girard, 1853 (Bonytail chub) Gila eremica DeMarais, 1991 (Desert chub) Gila jordani Tanner, 1950 (Pahranagat roundtail chub) Gila minacae Meek, 1902 (Mexican roundtail chub) Gila modesta (Garman, 1881) (Salinas chub) Gila nigrescens (Girard, 1856) (Chihuahua chub) Gila orcuttii (C. H. Eigenmann & Eigenmann, 1890) (Arroyo chub) Gila pandora (Cope, 1872) (Rio Grande chub) Gila pulchra (Girard, 1856) (Conchos chub) Gila purpurea (Girard, 1856) (Yaqui chub) Gila robusta Baird & Girard, 1853 (Roundtail chub) Gila seminuda Cope & Yarrow, 1875 (Virgin chub) The following fossil species are known:

?†Gila cristifera Uyeno & Miller, 1965 - middle Pliocene-aged Bidahochi Formation of Arizona ?†Gila esmeralda (La Rivers, 1966) - middle/late Miocene-aged Esmeralda Formation of Nevada †Gila milleri Smith, 1975 - Pliocene-aged Glenns Ferry Formation of Idaho †Gila turneri (Lucas, 1900) - middle/late Miocene-aged Esmeralda Formation of Nevada

References

Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Gila". FishBase. August 2011 version. Simons, Andrew M. & Mayden, Richard L. (1997): Phylogenetic Relationships of the Creek Chubs and the Spine-Fins: an Enigmatic Group of North American Cyprinid Fishes (Actinopterygii: Cyprinidae). Cladistics 13(3): 187–205. doi:10.1111/j.1096-0031.1997.tb00315.x (HTML abstract)

Illustrations

Worked examples

Example 1 — a first encounter with Gila (fish)

Start with the simplest possible case. Write down what Gila (fish) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Gila (fish) 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 Gila (fish) 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 Gila (fish)

In research: Gila (fish) appears in science 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 Gila (fish) 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: Gila (fish) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Chubs (fish), Gila (fish), Laviniinae, so understanding it makes those chapters shorter.
In everyday life: Look for Gila (fish) 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 Gila (fish) in 20 minutes

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

Frequently asked questions

What is Gila (fish) in simple terms?

Gila is a genus of fish belonging to the family Leuciscidae, native to the United States and Mexico. Species of Gila are collectively referred to as western chubs.

Why does Gila (fish) matter?

Because it connects several science 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 Gila (fish)?

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 Gila (fish).