Published May 1, 2023 | Version v1
Taxonomic treatment Open

Sphyrna leaeini

Description

Sphyrna leaeini (all classes)

Regression of 12 morphological measurements against PL in all S. leaeini individuals recovered seven cases of isometric growth and five cases of allometric growth (Table 4). R 2 values varied from 0.39 (KC; Table 4) to 0.85 (EE; Table 4). The measurements PS, KC, UL, CH and EE all showed significant negative allometry (Fig. 4; Table 4).

Sphyrna leaeini (class-specific)

Regression of 12 morphological measurements against PL in S. leaeini Class One individuals recovered five cases of isometric growth and seven cases of allometric growth (Table 5). R 2 values varied from 0.16 (KC; Table 5) to 0.78 (UL; Table 5). The measurements FS, PS, KC, DL, UL, PF and EE all showed significant negative allometry (Fig. 5; Table 5). Regression of 12 morphological measurements against PL in S. leaeini Class Two individuals recovered five cases of isometric growth and seven cases of allometric growth (Table 6). R 2 values varied from 0.08 (KC and UL; Table 6) to 0.75 (EE; Table 6). The measurements LS, PS, KC, UL, LL, CH and EE all showed significant negative allometry (Fig. 6; Table 6).

Notes

Published as part of Gayford, Joel H, Whitehead, Darren A, Ketchum, James T & Field, Daniel J, 2023, The selective drivers of allometry in sharks (Chondrichthyes: Elasmobranchii), pp. 257-277 in Zoological Journal of the Linnean Society 198 (1) on page 263, DOI: 10.1093/zoolinnean/zlac110, http://zenodo.org/record/7926996

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Biodiversity