Table 1. Overview of the number of stations sampled during the different parts of each of the three surveys in relation to the timing of new moon and the number of eggs or preleptocephali that were collected in 2011 (KH-11-6, new moon 1 July) and 2012 (KH-12-2: leg 1, new moon 20 May 2; leg 2, new moon 19 June).
| Cruise | Pre-survey | Egg grid survey | Preleptocephalus survey | |||||
| Period | No. of stations | Period | No. of stations (tows) | No of eggs collected | Period | No. of stations | No. of prelepto. collected | |
| KH-11-6 | 28 June | 3 | 29–30 June | 9 (17) | 147 | 1–6 July | 46 | 83 |
| KH-12-2 leg 1 | 18 May | 8 | 18–20 May | 14 (15) | 131* | 20–25 May | 25 | 153 |
| KH-12-2 leg 2 | 14–15 June | 13 | 16–19 June | 29 (45) | 284 | 19–23 June | 37 | 47 |
*4 eggs were collected on 21 May (one day after New moon) after the egg grid survey.