A shark’s fin grows back after being cut off by humans

Researchers have discovered that a super-healing shark is regenerating part of its fin after being traumatically injured by humans near Jupiter, Florida.

The silky shark (Carcharhinus falciformis) had a satellite tag fitted to its dorsal fin in June 2022 so researchers could track its migration. A few weeks later, an unknown person cut out the tag and left the shark with a devastating wound. Local diver John Moore saw the shark’s missing tag and contacted the researchers.

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