First report of recurrent parthenogenesis as an adaptive reproductive strategy in the endangered common smooth-hound shark Mustelus mustelus
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A reproductive strategy involving parthenogenesis has been reported in a shark species. This phenomenon, where an organism reproduces without fertilization by a male, has been observed in the common smooth-hound shark and also in a zebra shark, which switched from sexual to parthenogenetic reproduction. The discovery of parthenogenesis as a potential adaptive strategy has been documented in these shark species.