What you are seeing above is a stingray giving birth, shortly after being captured.
As the Independent reports, a group of fisherman pulled the ray into their boat and cut the stinger off its tail (a standard operating procedure to avoid injury). Almost immediately, though, they realized she was pregnant. One fisherman started assisting the delivery, and the ray's brood just popping right out of her.
Baby rays are fully formed; they're just tiny copies of their parental rays. This was a fairly large brood of ray pups. The fishermen say that they put these back into the water; along with the mother ray, who should still be able survive without her tail stinger.
Every day, we track down a fleeting wonder—something amazing that's only happening right now. Have a tip for us? Tell us about it! Send your temporary miracles to cara@atlasobscura.com.