Variable | Linear | r2 | Power | r2 | |||
---|---|---|---|---|---|---|---|
a | b | a | b | ||||
Length | Asteriscus | 0.365 | 0.120 | 0.533 | 0.264 | 0.773 | 0.539 |
Right lapillus | 0.475 | 0.093 | 0.556 | 0.290 | 0.683 | 0.563 | |
Left lapillus | 0.469 | 0.096 | 0.565 | 0.288 | 0.696 | 0.569 | |
Height | Right asteriscus | 0.628 | 0.093 | 0557 | 0.373 | 0.620 | 0.563 |
Left asteriscus | 0.623 | 0.094 | 0.546 | 0.369 | 0.627 | 0.551 | |
Width | Lapillus | 0.369 | 0.067 | 0.392 | 0.246 | 0.627 | 0.389 |
Weight | Asteriscus | −0.0009 | 0.0002 | 0.500 | 2E−05 | 1.713 | 0.474 |
Lapillus | −0.0016 | 0.0003 | 0.488 | 8E−06 | 2.111 | 0.546 | |
Perimeter | Asteriscus | 0.886 | 0.463 | 0.581 | 0.806 | 0.835 | 0.585 |
Right lapillus | 1.346 | 0.256 | 0.550 | 0.856 | 0.659 | 0.548 | |
Left lapillus | 1.338 | 0.263 | 0.554 | 0.850 | 0.669 | 0.550 | |
Area | Right asteriscus | −0.466 | 0.217 | 0.594 | 0.093 | 1.255 | 0.610 |
Left asteriscus | −0.482 | 0.220 | 0.594 | 0.092 | 1.266 | 0.606 | |
Right lapillus | −0.407 | 0.150 | 0.524 | 0.058 | 1.275 | 0.533 | |
Left lapillus | −0.422 | 0.155 | 0.527 | 0.058 | 1.289 | 0.539 |
Character | Otolith length | Otolith height/width | Otolith weight | Otolith perimeter | Otolith area | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Min. | Max | Mean ± SD | Min. | Max | Mean ± SD | Min. | Max | Mean ± SD | Min. | Max | Mean ± SD | Min. | Max | Mean ± DS | ||
Class I (6.7–10.9 cm |
RA | 0.985 | 1.907 | 1.596 ± 0.15 | 1.082 | 1.991 | 1.596 ± 0.15 | 0.00036 | 0.00140 | 0.00095 ± 0.0002 | 3.500 | 6.507 | 5.591 ± 0.51 | 0.772 | 2.397 | 1.742 ± 0.22 |
LA | 0.998 | 1.915 | 1.591 ± 0.15 | 1.053 | 1.863 | 1.582 ± 0.12 | 0.00037 | 0.00143 | 0.00095 ± 0.0002 | 3.442 | 6.764 | 5.633 ± 0.52 | 0.767 | 2.362 | 1.756 ± 0.23 | |
RL | 0.919 | 1.616 | 1.420 ± 0.11 | 0.733 | 1.460 | 1.058 ± 0.10 | 0.00024 | 0.00174 | 0.00115 ± 0.0002 | 2.644 | 4.610 | 3.965 ± 0.30 | 0.506 | 1.502 | 1.128 ± 0.16 | |
LL | 0.919 | 1.678 | 1.452 ± 0.11 | 0.733 | 1.770 | 1.063 ± 0.12 | 0.00024 | 0.00183 | 0.00115 ± 0.0002 | 2.644 | 4.678 | 4.028 ± 0.30 | 0.506 | 1.553 | 1.160 ± 0.16 | |
Class II (11.0–15.0 cm |
RA | 1.356 | 2.681 | 1.782 ± 0.20 | 1.304 | 2.197 | 1.720 ± 0.13 | 0.00031 | 0.00301 | 0.00122 ± 0.0003 | 4.707 | 8.865 | 6.347 ± 0.70 | 1.224 | 3.471 | 2.094 ± 0.34 |
LA | 1.257 | 2.542 | 1.776 ± 0.19 | 1.330 | 2.290 | 1.730 ± 0.19 | 0.00032 | 0.00307 | 0.00122 ± 0.0004 | 4.117 | 9.444 | 6.267 ± 0.92 | 1.254 | 3.519 | 2.108 ± 0.34 | |
RL | 1.176 | 2.074 | 1.555 ± 0.15 | 0.807 | 1.693 | 1.154 ± 0.13 | 0.00050 | 0.00468 | 0.00155 ± 0.0006 | 3.205 | 5.959 | 4.344 ± 0.42 | 0.724 | 2.489 | 1.350 ± 0.27 | |
LL | 1.151 | 2.170 | 1.591 ± 0.15 | 0.815 | 1.770 | 1.161 ± 0.141 | 0.00050 | 0.00482 | 0.00155 ± 0.0006 | 3.206 | 6.099 | 4.409 ± 0.43 | 0.709 | 2.615 | 1.187 ± 0.28 | |
Total (N = 154) | RA | 0.985 | 2.681 | 1.67 ± 0.19 | 1.082 | 2.197 | 1.630 ± 0.14 | 0.00031 | 0.00301 | 0.00105 ± 0.0003 | 3.500 | 8.865 | 5.886 ± 0.70 | 0.772 | 3.471 | 1.879 ± 0.32 |
LA | 0.998 | 2.542 | 1.66 ± 0.19 | 1.053 | 2.290 | 1.639 ± 0.15 | 0.00032 | 0.00307 | 0.00106 ± 0.0003 | 2.117 | 9.444 | 5.880 ± 0.77 | 0.767 | 3.519 | 1.893 ± 0.33 | |
RL | 0.919 | 2.074 | 1.47 ± 0.14 | 0.733 | 1.693 | 1.096 ± 0.12 | 0.00024 | 0.00482 | 0.00131 ± 0.0005 | 2.644 | 5.959 | 4.113 ± 0.40 | 0.506 | 2.489 | 1.214 ± 0.24 | |
LL | 0.919 | 2.170 | 1.51 ± 0.15 | 0.733 | 1.770 | 1.101 ± 0.14 | 0.00024 | 0.00468 | 0.00131 ± 0.0005 | 2.644 | 6.099 | 4.177 ± 0.41 | 0.506 | 2.615 | 1.248 ± 0.24 |
Class I | Class II | Total | ||||
---|---|---|---|---|---|---|
Shape Indices/Otoliths (Mean ± SD) | Asteriscus | Lapillus | Asteriscus | Lapillus | Asteriscus | Lapillus |
Aspect Ratio | 1.015 ± 0.06 | 1.347 ± 0.09 | 1.036 ± 0.07 | 1.352 ± 0.07 | 1.023 ± 0.06 | 1.349 ± 0.08 |
Form Factor | 0.702 ± 0.06 | 0.897 ± 0.02 | 0.656 ± 0.06 | 0.891 ± 0.02 | 0.684 ± 0.07 | 0.894 ± 0.02 |
Roundness | 0.873 ± 0.07 | 0.710 ± 0.04 | 0.844 ± 0.09 | 0.705 ± 0.04 | 0.862 ± 0.08 | 0.708 ± 0.04 |
Circularity | 18.036 ± 1.69 | 14.011 ± 0.25 | 19.340 ± 1.96 | 14.105 ± 0.29 | 18.544 ± 1.90 | 14.048 ± 0.27 |
Rectangularity | 1.717 ± 0.22 | 0.841 ± 0.14 | 2.022 ± 0.29 | 1.004 ± 0.24 | 1.837 ± 0.20 | 0.905 ± 0.20 |
Ellipticity | 0.007 ± 0.03 | 0.147 ± 0.03 (R) | 0.016 ± 0.03 | 0.149 ± 0.03 (R) | 0.011 ± 0.03 | 1.147 ± 0.03 (R) |
1.826 ± 0.16 (L) | 1.967 ± 0.17 (L) | 1.880 ± 1.17 (L) |
Length Classes | Predicted Group Membership |
||
---|---|---|---|
Class I | Class II | ||
% | Class I | 81.9 | 18.1 |
Class II | 23.3 | 76.7 |