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Fig. 2. Longitudinal distribution of the red, aerobic locomotor muscle (RM) for the
three thresher shark species. (A) bigeye thresher, A. superciliosus
(N=3), (B) pelagic thresher, A. pelagicus (N=3),
(C) common thresher, A. vulpinus (N=6; modified from
Bernal et al., 2003).
Gray-shaded bar indicates the body section where maximum RM (shown in red) is
found. Yellow represents the vertebral column. The relative amounts of RM in
the different positions along the body are expressed as a proportion of the RM
cross-sectional area equal to 1 at 50% fork length (see
Table 1 for RM cross-sectional
area at 50% FL). Values shown are means ±
S.E.M.