Female Sawfish Use ‘Virgin’ Births To Avoid Extinction

Francis YupangcoBy Francis Yupangco 4 years ago
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saw Sadly Smalltooth Sawfish are on the verge of extinction. However, scientists have discovered that some female sawfish are having ‘virgin’ births. The recent Study was published in Current Biology, initially the study was taking DNA of Florida Estuaries sawfish to see if they reproduced with relatives because of the limited the population. The results were very surprising and revealed that some of the females had reproduced without males. The process is called facultative parthenogenesis, a process thought to be very rare in vertebrates and of which many of the offspring conceived do not survive. However, the study revealed that the offspring, who were caught, tagged and released, were in great health. It’s very promising research that shows that animals who are endangered will do amazing things to survive. MORE

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  Conservation, Fish, Science
Francis Yupangco
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 Francis Yupangco

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Francis is a marine biologist with an MBA and over 20 years of professional aquarium experience. Francis is the former Aquatic Development Manager at Hagen USA., makers of Fluval brand aquarium products. He co-stars on Nat Geo WILD's reality TV series Fish Tank Kings where he is the resident "Fish Geek" and was Director of Marketing at Living Color Aquariums. He is an avid explorer having visited over 45 countries and lived in 7. At 17, he was among the youngest aquarists ever hired by the Vancouver Aquarium, where he worked for 7 years. His aquatic biology experience ranges from larval fish rearing to the design, construction and operational management of renowned public aquariums around the world. Francis is currently head of marketing at the world's largest vertically integrated fish farming company.

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