Giant fresh water fishing NEW RECORD Arapaima fishing
3 years ago
2
Freshwater fish are those that spend some or all of their lives in freshwaters, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, the most obvious being the difference in levels of salinity. To survive freshwater, the fish need a range of physiological adaptations.
41.24% of all known species of fish are found in freshwater. This is primarily due to the rapid speciation that the scattered habitats make possible. When dealing with ponds and lakes, one might use the same basic models of speciation as when studying island biogeography.
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