A fisherman of Florida, US caught a massive 350-pound fish thought to be 50 years old on December 29.
The FWC Fish and Wildlife Research Institute revealed, that the giant Warsaw Grouper was caught using the hook and line method in southwest Florida, Trending reported.
Sharing the images of the the 'big old fish' on Facebook, the research institute wrote, 'This 350-lb Warsaw grouper was caught by hook-and-line on December 29th 2019, off Southwest Florida in ~600 ft of water'.
The post further read, 'Biologists from FWRI's Age & Growth Lab estimated the age of this fish at 50 years old, making this the oldest sample collected for our ageing program'.
The fish was caught by a group of men, of which Jason Boyll was one.
Talking about his catch on Facebook, he wrote, 'What a way to end 2019!!! Absolute beast of a Warsaw grouper. Cheers to tight lines and good times in 2020 yall. Fish onnnnnnn'.
To calculate the grouper's age, biologists in the FWC Age and Growth Lab examined its otoliths, also known as 'earstones'. These are hard calcium structures located behind the brain in bony fish.