Table 1
Information of the Japanese eel, Anguilla japonica leptocephali used for feeding experiment on board.
| Year | Hatchery | Departure date [dpha] | Feeding trial | End | TL2 (n)e | Survival (%) | |||
|---|---|---|---|---|---|---|---|---|---|
| Dietb | Start [dpha] | TL1 (n)c | Nd | ||||||
| 2013 | Shibushi Stn. | May 22 [39] | POMEW350 | June 27 [75] | 21.0 ± 1.5 (3) | 19 | July 8 | 24.3 ± 1.7 (3) | 3 (15.8) |
| DSE | 19 | 21.1 ± 2.6 (10) | 11 (78.9) | ||||||
| 2014 | Shibushi Stn.. | Oct. 8 [38] | POMEW25 | Oct. 20 [51] | 14.1 ± 1.7 (12) | 71 | Oct. 31 | 14.1 ± 1.6 (5) | 5 (7.0) |
| DSE | 69 | 15.4 ± 1.5 (5) | 20 (29.0) | ||||||
| Starvation | 69 | – | 0 (0) | ||||||
| Nansei Stn. | Oct. 8 [105] | POMEW53 | Oct. 20 [118] | 32.5 ± 3.3 (5) | 81 | Oct.31-Nov. 2 | 32.2 ± 1.6 (3)f | 37 (45.7)g | |
| 2015 | Shibushi Stn. | Sep. 16 [5] | POMEW25 | Sept. 18 [7] | – | 500 | Sep. 23 | – | 10 (2.0) |
| Starvation | – | 500 | – | 13 (2.6) | |||||
| Nansei Stn. | Sep. 16 [21] | POMEW25 | Sept. 18 [23] | – | 175 | Sep. 29 | – | 15 (8.6) | |
| Starvation | – | 175 | – | 19 (10.9) | |||||
POM-enriched water samples (POMEW) filtered through 350, 53 and 25 µm meshes, and defatted shark egg-based diet (DSE).
Average total length (mm) and number of individuals (parenthesis) sub-sampled at the onset of the feeding experiment.
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