At the minimum legal length of 28 inches, the average white seabass is about 5 years of age, weighs about 7.5 pounds and has been sexually mature for at least one spawning season.
In terms of physical characteristics, a minimum length of 28 inches corresponds to an age of about 5 years and a weight of roughly 7.5 pounds in white seabass, suggesting that it has already experienced at least one spawning cycle.