A typical-looking female fish in the aquarium room at U.K.’s Hull University recently shocked researchers when it was discovered that she had developed a male sex organ, fertilized her own eggs and produced four offspring.
The tropical freshwater fish known as a cichlid gave birth to 42 more offspring over the subsequent year, becoming the first documented cases of “selfing” in an otherwise sexually reproducing vertebrate (animal with a backbone and/or spinal column), according to a paper published in the journal Royal Society Open Science.
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Source Credits: Jennifer Viegas in Discovery News