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Optic nerve torsion data summarised per genus, compare Fig. 6
| Genus | Number | ON length [mm] | Starting angle [°] | Torsion [°/mm] | Total torsion [°] |
|---|---|---|---|---|---|
| Tripterygion | 5 | 0.81 ± 0.16 | 19.3 ± 9.6 | 93.4 ± 8.2 | 75.5 ± 20.5 |
| Parablennius | 1 | 0.96 | 12.5 | 78.7 | 75.7 |
| Amphiprion | 3 | 1.40 ± 0.09 | 11.6 ± 20.0 | 82.5 ± 12.2 | 116.2 ± 24.8 |
Parameters were first averaged per individual (not shown), then per genus. T. delaisi and T. melanurus were grouped because of their virtually identical internal anatomy
