Table 1 Equations used to rebuild body mass from beak size (LRL or LHL) for each species
Superorder and order | Family | Species | Equation | References | No. of individuals |
|---|---|---|---|---|---|
Octopodiformes | |||||
Octopoda | Octopodidae | Eledone cirrhosa | ln W = 1.68 + 2.85 * ln LHL | Clarke (1986) | 214 |
Pteroctopus tetracirrhus | W = 0.951 + 0.928 * LHL | Present paper (only juveniles) | 11 | ||
Scaeurgus unicirrhus | W = 0.943 + 0.937 * LHL | Present paper (only juveniles) | 6 | ||
Argonautidae | Argonauta argo | ln W =− 0.545 + 3.26 * ln LHL | Present paper | 10 | |
Ocythoidae | Ocythoe tuberculata | ln W = −1.05 + 2.51 * ln LHL | Lu and Ickeringill (2002) | 16 | |
Tremoctopodidae | Tremoctopus violaceus | ln W = 0.390 + 2.829 * ln LHL | Present paper | 8 | |
Decapodiformes | |||||
Oegopsida | Brachioteuthidae | Brachioteuthis riisei | ln W = −0.81 + 2.94 * ln LRL | Lu and Ickeringill (2002) | 25 |
Chiroteuthidae | Chiroteuthis veranyi | ln W = −0.241 + 2.7 * ln LRL | Clarke (1980) | 14 | |
Cranchiidae | Galiteuthis armata | ln W = 0.700 + 2.233 * ln LRL | Present paper | 5 | |
Ancistrocheiridae | Ancistrocheirus lesueurii | ln W = −0.194 + 3.56 * ln LRL | Clarke (1980) | 21 | |
Enoploteuthidae | Abralia veranyi | ln W = 0.979 + 2.304 * ln LRL | Present paper | 5 | |
Histioteuthidae | Histioteuthis bonnellii | ln W = 1.594 + 2.31 * ln LRL | Clarke (1986) | – | |
Histioteuthis reversa | ln W = 1.41 + 2.35 * ln LRL | Lu and Ickeringill (2002) | 10 | ||
Octopoteuthidae | Octopoteuthis cfr sicula | ln W = 0.23 + 2.54 * ln LRL | Lu and Ickeringill (2002) | 9 | |
Ommastrephidae | Illex coindetii | ln W = 1.174 + 2.47 * ln LRL | 14 | ||
Ommastrephes bartrami | ln W = 1.834 + 2.07 * ln LRL | Wolff (1982) | – | ||
Todarodes sagittatus | ln W = 0.783 + 2.83 * ln LRL | – | |||
Todaropsis eblanae | ln W = 1.066 + 2.724 * ln LRL | Zumholz and Piatkowski (2005) | 313 | ||
Onychoteuthidae | Ancistroteuthis lichtensteinii | ln W = 0.09 + 3.23 * ln LRL | Lu and Ickeringill (2002) | 18 | |
Onychoteuthis banksii | ln W = 0.58 + 3.7 * ln LRL | Wolff (1984) | – | ||
Thysanoteuthidae | Thysanoteuthis rhombus | ln W = 2.855 + 3.06 * ln LRL | 7 | ||
Myopsida | Loliginidae | Alloteuthis subulata | ln W = 2 + 2.75 * ln LRL | Clarke (1986) | 116 |
Sepioidea | Sepiolidae | Heteroteuthis dispar | ln W = 1.033 + 2.527 * ln LRL | Present paper | 14 |