Those who have followed the 15-year Dolphinfish Research Program by marine biologist Don Hammond knows that dolphin, also known as mahi mahi, have incredible growth rates.

The hundreds of recaptures from the thousands of dolphins tagged in Hammond’s study have revealed the accelerated growth, not to mention the oftentimes long-distance migrations of the species.

“We have spoken of conservative growth rates of 0.5 to 1.0 inch in length per week and gaining two to three pounds per month,” Hammond said in his December newsletter.

It means a 50- to 60-pound bull likely is less than two years of age.

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