largemouth bass growth rates
July 31, 2019
Growth rates vary in direct proportion to the fertility of the water, the length of the growing season each year, and the numbers of other fish competing for the food supply.
It is always the female bass which attains the greater weight. Male or “buck” bass rarely grow to any size larger than three or four pounds.
In northern lakes the anticipated length of a female largemouth bass is as follows:
| At the end of the – | First Year | 4″ |
| Second Year | 7 1/2″ | |
| Third Year | 9″ | |
| Fourth Year | 11″ | |
| Fifth Year | 13″ | |
| Sixth Year | 15″ | |
| Seventh Year | 17″ | |
| Eighth Year | 19″ | |
| Ninth Year | 21″ | |
| Tenth Year | 23″ | |
| Eleventh Year | 25″ |
To determine the weight of a largemouth bass in the absence of a scale, the following formula based upon linear measurements of the fish is a reliably accurate method of calculating its weight:
| L x G x G | |
| W = | ———– |
| 800 |
L = Length [in inches] from nose to fork in tail
G = Girth [in inches] around fleshiest portion of body
W = Weight of fish in pounds
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