Greyman 25,276 Posted January 7 Report Share Posted January 7 Tidal Thames been producing big carp for years think many fish both sea and fresh water move in and out of brackish water Quote Link to post
philpot 4,928 Posted January 7 Report Share Posted January 7 I do believe many types of fish can tolerate salinity changes and fish such as mullet are found in the freshwater side of a sea loch locally and pike roach etc are found on the sea side of the loch and seem to survive well enough. A few years ago whilst pumping black lugworm on a Lincolnshire beach, my daughter found a baby pike in one of the pools left behing by the ebbing tide which must have come out from a drainage loch a couple of miles further over. This little fella was only 6 or 7 inches long and seemed fine, I had no option nut to leave it in the sea water as we were busy getting bait and a 4 mile hike did not appeal. 1 Quote Link to post
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