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Pita skate

Pita skate 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 Pita skate rather than just read about it. In short: The pita skate (Raja pita) is a medium-sized skate in the family Rajidae. The holotype and only known specimen was found in the northern Persian Gulf, in Iraqi waters.

Pita skate — main illustration
Pita skate — illustration

Key takeaways

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

Reference excerpt

The pita skate (Raja pita) is a medium-sized skate in the family Rajidae. The holotype and only known specimen was found in the northern Persian Gulf, in Iraqi waters. It was collected at a depth of less than 15 m (49 ft). It is around 46 cm (18 in) in length, and the coloration pattern (described from a specimen preserved in alcohol) is light brown dorsal body with irregular darker brown blotches, and a light brown ventral body. The tail is slightly darker than the body. The name derives from the coloration pattern resembling pita bread.

Description The species is known from only one female specimen, so variation and sex differences are not known. The holotype specimen is 461.1 mm (18.15 in) in total length, about half being body and half tail. The disc is 549 mm (21.6 in) at the widest point. The disc forms an approximate quadrangle. The dorsal surface and basal portions of pelvic fins have brown spots on a light brown background. Three brown streaks are noted on the posterior distal pectoral fins. Ventral surface is pale brown, with no variation noted. Dorsal areas are covered in dermal denticles except for two symmetric patches on the disc and along the posterior margin of the pectoral and pelvic fins. Ventral areas smooth except for a few patches of denticles of varying density. The dorsal surface has a row of 31 thorns along the midline, and a parallel row of three on either side of the midline approximately mid-disc. It has additional thorns around the eyes and snout. The tail has an additional 29 thorns on the midline, and other thorns in regular and irregular rows.

Biology and life history Information is very limited for this species. It likely lives in muddy bottoms, where it was collected, but the distribution and specifics of habitat preferences are unknown. The eggs of this species are unknown, but like other skates, it is likely oviparous, laying eggs in pairs in open waters, and not guarding the eggs. Okamejei pita was originally classified into the genus Raja and subgenus Raja (Okamejei). This subgenus was promoted to full genus in 1999. The taxonomic validity of this species was reconfirmed by Compangno in 2007. This species is placed as incertae sedis in the genus Raja.

Status Despite being known from only one specimen, the species was initially classified critically endangered by the IUCN. However it was reevaluated and was reclassified as data deficient. It is not the target of any fishery, but it may be unrecognized bycatch in several other fisheries, including those using longlines, fish traps, stake nets, and trawls. Like other elasmobranchs, this species is not likely consumed by the Shia population who fish in the area. In addition to fishing threats, pollution and loss of water quality are possible concerns for this species. Threats include hydrocarbons and biotic threats. Multiple fisheries surveys of this region failed to find this species, which is taken to indicate this species is rare. No surveys were conducted after 1980, due to the start of the Iran–Iraq War and subsequent military conflicts.

References

Illustrations

Pita skate illustration
Pita skate illustration

Worked examples

Example 1 — a first encounter with Pita skate

Start with the simplest possible case. Write down what Pita skate 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 Pita skate 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 Pita skate 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 Pita skate

In research
Pita skate 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 Pita skate 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
Pita skate is common in secondary-school and first-year university syllabi. It links to neighbouring topics Endemic fauna of Iraq, Enigmatic fish taxa, Fish described in 1995, so understanding it makes those chapters shorter.
In everyday life
Look for Pita skate 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 Pita skate in 20 minutes

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

Frequently asked questions

What is Pita skate in simple terms?

The pita skate (Raja pita) is a medium-sized skate in the family Rajidae. The holotype and only known specimen was found in the northern Persian Gulf, in Iraqi waters.

Why does Pita skate 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 Pita skate?

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 Pita skate.

Tags

  • Endemic fauna of Iraq
  • Enigmatic fish taxa
  • Fish described in 1995
  • Fish of the Persian Gulf
  • IUCN Red List data deficient species
  • Skates (fish)
  • Species known from a single specimen
  • Taxa named by Ronald Fricke

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