What happens to all the fresh water fish in a river that eventually empties into an ocean?

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Do fish just turnaround and say nope, not for me.

In: Planetary Science

7 Answers

Anonymous 0 Comments

The water intermingles and becomes (I think it’s called) brackish water. The fish that live there adapt for a ways each direction to this water.

In New Orleans, on Lake Ponchatrain, you can drive your boat through bayous and canals into the Gulf of Mexico. I have seen shrimp trawlers in the lake, which is fresh water where the Gulf is salt water. I fished an area in Florida one time where the two waters met, I caught some Reds (salt water) and some catfish (fresh water).

I live a long ways from salt water so some of my info may need corrected, hopefully some salt water folks can add to this.

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