You need only the permit’s length to estimate its weight. Measure permit length from the tip of the closed mouth to the fork in the tail. Note that there will be variation, as some fish may be heavier than other fish of the same length, so this table should be used as a good approximation.
Source: Crabtree, R.E., P.B. Hood, D. Snodgrass. 2002. “Age, growth, and reproduction of permit (Trachinotus falcatus) in Florida waters.” Fishery Bulletin 100: 26–34.
You need only the permit’s length to estimate its age. Note that there will be variation as some fish may have grown faster than other fish of the same length, so this table should be used as a good approximation. This study looked at permit in Florida, but it is assumed that permit growth rates are similar in other areas.
Source: Crabtree, R.E., P.B. Hood, D. Snodgrass. 2002. “Age, growth, and reproduction of permit (Trachinotus falcatus) in Florida waters.” Fishery Bulletin 100: 26–34.
