Information
Ecological parameter: migration
Parameter group: occurrence related parameters
Explanation:
The parameter provides information on the migration type of fish species. Migration is the movement of a large number of individuals from one place to another for feeding or reproductive needs and is classified into 4 categories.
Type of assignment: single category assignment system ()
A description of the coding system can be found here Abbreviations/Coding Systems
Abbreviations:
| Category name: | Abbreviations: | Explanation: |
|---|---|---|
| potamodromous | pot | migratory fish species; whole life cycle is spent in freshwaters |
| diadromous | dia | migratory fish species; parts of the life cycle are spent in fresh and salt water |
| oceanodromous | oce | migratory fish species; whole life cycle is spent in salt water |
| no migration | nom | species with no migration movements |
| Taxagroup | Number of assigned taxa / total number of taxa - percentage |
|---|---|
| Acipenseriformes | 8 / 13 - 61.5% |
| Anguilliformes | 1 / 1 - 100% |
| Atheriniformes | 2 / 4 - 50% |
| Clupeiformes | 8 / 18 - 44.4% |
| Cypriniformes | 47 / 313 - 15% |
| Cyprinodontiformes | 9 / 12 - 75% |
| Esociformes | 3 / 3 - 100% |
| Gadiformes | 1 / 1 - 100% |
| Gasterosteiformes | 2 / 9 - 22.2% |
| Perciformes | 27 / 94 - 28.7% |
| Petromyzontiformes | 7 / 13 - 53.8% |
| Pleuronectiformes | 2 / 3 - 66.6% |
| Salmoniformes | 20 / 125 - 16% |
| Scorpaeniformes | 1 / 16 - 6.2% |
| Siluriformes | 4 / 7 - 57.1% |
| Syngnathiformes | 1 / 4 - 25% |