Assertion: tawny nurse shark | /r/HasProperty | viviparous
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Source sentences:
text: The Tawny Nurse Shark is placental and viviparous, which means that its eggs hatch inside the mother.
text: Unlike the Tawny nurse shark, who is in fact ovoviparous, but whose egg cases pile up in captivity and are unfertilized ejected, the Shorttail nurse shark lays indeed eggs (oviparous), out of which after around 5 month young hatch, proven by the successful breeding in Amsterdam’s zoo since 2006.