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Paternity testing using the poisonous sting in captive white-spotted eagle rays Aetobatus narinari: a non-invasive tool for captive sustainability programmes

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Abstract

A group of captive white-spotted eagle rays Aetobatus narinari produced 20 offspring, with an unknown father. Part of the poisonous sting was removed from each fish and DNA was extracted from the epidermis for paternity research using eight microsatellite markers of which four were from another species Aetobatus flagellum. This non-invasive sampling technique can be applied on all members of Myliobatiformes.

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Ancillary