The pregnant European flat shark was examined by fluoroscopy. The IUCN level of the species is already extremely dangerous and is one of the most vulnerable species to extinction. European flat shark, belonging to the family Flatforms, is distributed in the northeastern Atlantic Ocean and has a flat body, often concealed in ambush prey at the bottom of the sea. Viviparous. Researchers have studied its reproduction, which is conducive to the protection of this critically endangered species.
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