Table 1.
Sampling points, types of samples, and designation as well as main physico-chemical parameters of water of the sampled environments
| Sampling pointa | Sample type | Sample designationb | SRA accession | Salinity (g/l) | pH | T (°C) |
|---|---|---|---|---|---|---|
| Fish farm close to the Mediterranean sea | Skin mucus from eels | FE4 5.3 | SRX702744 | 4 | 5.3 | 24 |
| Rivers (North Atlantic coast: Galicia) | WE≤1 7 | SRX702748 | ≤ 1c | 7 | 7 | |
| Natural Park: Albufera Lake | WE1 9.5 | SRX703656 | 1 | 9.5 | 19 | |
| Natural Park: Prado Cabanes | WE7 8 | SRX703655 | 7 | 8 | 20 | |
| Natural Park: Ebro Delta | WE3 8 | SRX702749 | 3 | 8 | 19 | |
| WE10 8 | SRX710670 | 10 | 8 | 20 | ||
| Water | WE10 8W | SRX710703 | 10 | 8 | 20 |
aCoordinates of each sampling point are indicated in Additional file 2: Table S1
bSuper- and sub-indexes indicate pH and salinity values, respectively
cThe salinity of the rivers where eels were fished was ≤ 1 g/l