Figure 2. Summary of porbeagle tag movements from tagging location (line origin) to recapture location (arrowhead) between 1961 and 2008. Norwegian tags in green; U.S. tags in grey; Canadian tags in red.
Figure 3. Growth curve for porbeagle shark, showing a reduction in growth rate for both sexes at the age of sexual maturity. Fitted lines are LOESS by sex. The age-length table is based on the von Bertalanffy growth model, substituting observed lengths for ages 0 and 1. Ages have been validated to age 11.