Abstract
Two populations of pike Esox lucius have been identified on the eastern coast of Sweden, in the Baltic Sea. These live together, but separate into two different populations during the spawning season. One is an obligate freshwater spawner and the other not only reproduces in ambient Baltic salinities, but appears not to enter fresh water at all.
| Original language | English |
|---|---|
| Pages (from-to) | 1647-1652 |
| Number of pages | 6 |
| Journal | Journal of Fish Biology |
| Volume | 61 |
| Issue number | 6 |
| DOIs | |
| State | Published - Dec 1 2002 |
Keywords
- Otolith microchemistry
- Pike declines
- Sympatry
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