| 1. | Monte Bolca preserves a greater diversity of rays, including guitarfishes and electric rays.
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| 2. | It and other electric rays are used as model organisms for biomedical research.
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| 3. | The finless sleeper ray is the only electric ray that lacks dorsal fins.
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| 4. | Electric rays are found from shallow coastal waters down to at least deep.
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| 5. | Like other numbfishes, the giant electric ray can deliver a painful electric shock.
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| 6. | This and other electric ray species are used as model organisms in biomedical research.
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| 7. | Jews, he believed, were trying to kill him with " poisoned electric rays ".
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| 8. | Up to long and weighing, the Atlantic torpedo is the largest known electric ray.
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| 9. | Unique amongst electric rays, there are no dorsal fins.
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| 10. | He became such a pest on the subject that his co-workers call him Electric Ray.
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