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I'm confused. (I literally mean it, I'm not advocating anything). If the urchins were dying off, I can understand why that would devastate the urchin divers, but why would a boom in urchins put them out of business? Why aren't the urchin divers doing the vacuuming and making more money than ever from a bumper crop of urchins?


There two species involved. From the linked article:

"Compared to red urchins ... [purple urchins are] smaller, less meaty and not worth fishing for. And they're voracious eaters of kelp."

https://www.kqed.org/science/1357320/scientists-and-fisherme...


After vacuuming up a bunch of purple urchins, would it be possible to alter their DNA to be more like that of red urchins? Then release those genetically modified urchins back into the ocean to pass their “red-shifted” traits into the greater purple urchin population.

I realize there are plenty of ethical issues surrounding an attempt at genetically modifying an entire species. Perhaps doing so would be irresponsible? It’s not my area of expertise.


Probably not, but a gene drive to get rid of purple urchins might be possible. Definitely irresponsible however.




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