Fig. A1 Measurement of standard length (SL), dorsal spines (1st and 2nd), pelvic spine, pelvis (height and length) and lateral plates in a fully plated stained fish. Pelvis length was measured from the reflection in the mirror.
Competing Interests Statement : We have no conflicts of interest to disclose.
Ethical Approval : All research work in this article was reviewed by the University of Nottingham AWERB, and carried out under Home Office licence 3003415. No licence was required to collect stickleback in Scotland.