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Table 1
Annual summary of Trachurus picturatus sampled monthly from trawler landings at Matosinhos, Portugal. Minimum, maximum, modal lengths and standard deviation are also indicated for each year.
| Sample | Male | Female | Immature or unsexed | Males size range (cm) | Mean male TL (cm) | Females size range (cm) | Mean female TL (cm) | Immature or unsexed size range (cm) | Mean immature or unsexed TL (cm) | Mode all ind. (cm) | St. dev. all ind. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 542 | 572 | 61 | 22.3–38.2 | 28.0 | 20.4–39.4 | 28.2 | 21.4–33.4 | 26.8 | 27.9 | 2.6 |
| 2011 | 487 | 546 | 40 | 23.8–34.1 | 28.8 | 24.4–40.0 | 29.2 | 24.8–32.7 | 28.8 | 30.2 | 1.8 |
| 2012 | 257 | 293 | 36 | 24.9–36.5 | 30.8 | 24.5–37.8 | 31.2 | 27.1–35.4 | 30.3 | 29.8 | 2.2 |
| 2013 | 468 | 529 | 225 | 21.8–43.1 | 30.8 | 24.0–38.3 | 30.9 | 17.8–36.2 | 26.2 | 29.9 | 3.3 |
| 2014 | 404 | 581 | 171 | 21.1–44.3 | 31.2 | 19.5–39.5 | 30.9 | 20.3–36.7 | 25.8 | 30.7 | 3.9 |
| 2015 | 329 | 552 | 276 | 22.2–36.7 | 29.3 | 20.9–40.1 | 28.1 | 19.9–35.1 | 26.4 | 27.2 | 3.2 |
| 2016 | 345 | 532 | 163 | 23.3–38.8 | 28.6 | 23.0–41.3 | 27.9 | 21.6–37.5 | 26.8 | 26.5 | 2.3 |
| Total | 2832 | 3605 | 972 | 21.1–44.3 | 29.5 | 19.5–41.3 | 29.4 | 17.8–37.5 | 26.6 | 30.2 | 3.1 |
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