Sphyrna zygaena
- noun
- Specialized
- Commercial fishing for Sphyrna zygaena is driven by demand for its liver oil.
Examples
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Unlike other sharks, the Sphyrna zygaena has a more rounded head.
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The Sphyrna zygaena is commonly found in coastal waters worldwide.
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The Sphyrna zygaena is known for its unique head shape.
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Did you know that the Sphyrna zygaena can be found in tropical seas?
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Fishermen often target the Sphyrna zygaena due to its high-quality liver rich in vitamins.
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The Sphyrna zygaena can be spotted swimming gracefully in warm coastal waters.
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Scientists have studied the Sphyrna zygaena to understand its unique adaptations in the ocean.
Synonyms
A large shark with a smooth, hammer-shaped head often fished for its liver and skin
Surface Forms
Morphology
Sphyrna + zygaena
Because 'Sphyrna' names the genus of hammerhead sharks, a learner who knows that could infer that 'Sphyrna zygaena' refers to a particular species of hammerhead shark. However, 'zygaena' has no transparent English meaning and the specific sense 'smooth hammerhead' cannot be derived from the parts, so the full lexical meaning is not predictable without prior exposure.
Etymology
Sphyrna zygaena comes from old Greek words: Sphyrna means 'hammer', which paints the picture of the shark's wide, flat head, and zygaena may come from a word for 'yoke' or 'pair', pointing to the joined, side-by-side parts of that head like the eyes and nostrils. So the name helps you remember the shark's hammer-shaped head.