The researchers identified teeth on the tenaculum of ancient relatives to the modern adult male spotted ratfish. This fossil record helped them establish the historical significance of this structure, ...
CT (computed tomography) scan of the adult male Spotted Ratfish frontal clasper (Tenaculum) covered in rows of teeth (rainbow colors). Male “ghost sharks” — eerie deep-sea fish known as chimaeras that ...
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Ratfish use forehead teeth rods for mating rituals
There’s no shame at all in having problems in the bedroom, but ‘sorry, my forehead teeth won’t get up,’ might be a new one. Male ratfish, also called ghost sharks, live in the depths of the ...
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