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Regulatory tuna sizes. Montauk tuna fishing portal. Canyon tuna fishing trips... | |
MontaukTunaFishing.comHow to determine the size of a tunaIn mearsuring tunas total curved fork length is the sole criterion for determining the size class of whole (head On) Atlantic tunas for regulatory purposes. Curved fork length means a measurement of the length of a tuna taken in a line tracing the contour of the body from the tip of the upper jaw to the folk of the tail,which abuts the bottom side if the pectoral fin and the bottom side of the caudal keel. The measuring tape must touch at this point. 
Bluefin Gill rakers 34-43 Pectoral fin very short Liver Striated Yellowfin Gill rakers 26-35 Pectoral fin extends beyond origin of second dorel fin Liver is without Striations Bigeye Gill rakers 23-31 Pectoral fin reaches origin of second doral fin Liver is Striated Albacore Gill rakers 25-32 Pectoral fin extends beyond the anal fin Bonito Gill rakers 16-23 Pectoral fin is very short,several dark stripes on its side Little Tunny GIll rakers 37-43 Pectoral fin very short and broad Wavy lines on its back Other regulatory size classes are as follows (Bluefin Tuna):
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