They say it takes two to tango, but the Shreveport Aquarium in Louisiana is trying to figure out how a baby swell shark was born in a tank holding two females that hadn’t seen a male in years. Heidi Petracek reports on the two possible explanations for this “virgin birth,” and what will confirm how this happened.
Global National
Louisiana aquarium stumped by ‘virgin birth’ of baby shark in all-female tank
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