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-   Inshore Saltwater Fishing Discussion (http://www.saltycajun.com/forum/forumdisplay.php?f=4)
-   -   Do you guys like the fresh water flushing of BL? (http://www.saltycajun.com/forum/showthread.php?t=27875)

Ray 02-07-2012 03:20 PM
Deeper water does holds salinity down below the fresh water.

Smalls 02-07-2012 03:22 PM
That so called spot that stays saltier than everything around? That stays at 5 ppm? 5 ppm is .005 ppt, which is pretty much fresh.

"W" 02-07-2012 03:24 PM
Quote:
Originally Posted by Smalls (Post 389296)
That so called spot that stays saltier than everything around? That stays at 5 ppm? 5 ppm is .005 ppt, which is pretty much fresh.
My bad 5ppt

Salty 02-07-2012 03:33 PM
Quote:
Originally Posted by Reefman (Post 389261)
Do you feel the specks move out of the fresher water to the south part of the lake? I have always thought that there is a salty layer of water on the bottom with the fresh water on top. The specks in my opinion don't move that much with dropping salinities, however their feeding habits become different. Fish stay on the bottom until levels rise. I fish mostly VB and do find that we can catch fish in rather muddy fresh water. They do hug the bottom with the baits needing to be slowly worked. Ever notice the color difference of specks caught in a low salinity area?
Saltwater is heavier than fresh, so, yes, the fresh sits on top. This is why they call it "The Wedge" when the Mississippi River is low and saltwater pushes as far north as Lake Jackson. It wedges underneath the river water. I've caught plenty of fish in Delacroix when the river water was on top.

Smalls 02-07-2012 03:34 PM
Ah, that makes more sense. Still not that salty, but way more believable now.

Ray 02-07-2012 03:42 PM
Quote:
Originally Posted by Salty (Post 389302)
Saltwater is heavier than fresh, so, yes, the fresh sits on top. This is why they call it "The Wedge" when the Mississippi River is low and saltwater pushes as far north as Lake Jackson. It wedges underneath the river water. I've caught plenty of fish in Delacroix when the river water was on top.

Lake Jackson or Fort Jackson???:work:

Duck Butter 02-07-2012 04:00 PM
Was playing Army in Belle Chasse after Katrina hit and we would get off work and catch limits of redfish right off the bank of the MS River there in December. Water was at pool stage, no rain, had almost 2.5 feet clarity in the MS RIVER! Was awesome, the catfish would bite at night and they were slap full of corn from where they loaded corn onto the barges, a few rains up north sent the reds back south though.

Salty 02-07-2012 04:20 PM
Quote:
Originally Posted by Ray (Post 389305)
Lake Jackson or Fort Jackson???:work:
Quote:
Originally Posted by Ray (Post 389220)
Screwed that up, didn't I.
Meant Fort.
;)

2ndamendment 02-07-2012 04:28 PM
Quote:
Originally Posted by Duck Butter (Post 389317)
Was playing Army in Belle Chasse after Katrina hit and we would get off work and catch limits of redfish right off the bank of the MS River there in December. Water was at pool stage, no rain, had almost 2.5 feet clarity in the MS RIVER! Was awesome, the catfish would bite at night and they were slap full of corn from where they loaded corn onto the barges, a few rains up north sent the reds back south though.

Redfish or speckled trout? Do redfish have a higher tolerance to fresh water in respect of salinity being low from the top of the column to the bottom?

Ray 02-07-2012 04:30 PM
Quote:
Originally Posted by 2ndamendment (Post 389332)
Redfish or speckled trout? Do redfish have a higher tolerance to fresh water in respect of salinity being low from the top of the column to the bottom?
Redfish can take freshwater and lower temperatures better than Trout.
But that don't mean there are no Trout there. Just not as many as Reds.

Duck Butter 02-07-2012 04:37 PM
Quote:
Originally Posted by 2ndamendment (Post 389332)
Redfish or speckled trout? Do redfish have a higher tolerance to fresh water in respect of salinity being low from the top of the column to the bottom?
Like Ray said, redfish can be caught in almost pure freshwater at times.

meaux fishing 02-07-2012 04:42 PM
Redfish can actually live in freshwater lakes they just cant spawn in freshwater

Duck Butter 02-07-2012 04:42 PM
I would think (I have only fished W's Lake ten times or so, so no expert) that the LNG canal would be plenty salty still after this rain. It is deep and sheltered from a large influx of freshwater, there is only that one little bayou that runs into it. Even when the main lake looks like hot chocolate after a big rainstorm, that canal is always clear. That is where I would be if I had to go this weekend to catch trout.

Duck Butter 02-07-2012 04:43 PM
Quote:
Originally Posted by meaux fishing (Post 389341)
Redfish can actually live in freshwater lakes they just cant spawn in freshwater
aha, wonder what the deal is with that?

meaux fishing 02-07-2012 04:48 PM
Quote:
Originally Posted by Duck Butter (Post 389343)
aha, wonder what the deal is with that?
my guess is probably has something to do with the density of saltwater makes the eggs more buoyant. Im not sure if they dont produce eggs in freshwater or they just cant fertilize them

Ray 02-07-2012 06:31 PM
Quote:
Originally Posted by meaux fishing (Post 389341)
Redfish can actually live in freshwater lakes they just cant spawn in freshwater
Big Burns is fulla Reds from Rita and Ike. It's fresh.

Smalls 02-07-2012 06:38 PM
Most "salties" can't reproduce in freshwater because it takes more energy for them to survive in freshwater.....same principle that allows bullsharks to live in freshwater, they adjust the amount of urea they excrete so that they do not absorb too much water....but, it takes more energy to do this, and that is why they generally can't reproduce in freshwater...its a lot of chemistry that I dont want to bore anyone with, but that would be my best explanation for the phenomenon...

Sent from my Desire HD using Tapatalk

2ndamendment 02-07-2012 06:59 PM
Quote:
Originally Posted by Smalls (Post 389361)
Most "salties" can't reproduce in freshwater because it takes more energy for them to survive in freshwater.....same principle that allows bullsharks to live in freshwater, they adjust the amount of urea they excrete so that they do not absorb too much water....but, it takes more energy to do this, and that is why they generally can't reproduce in freshwater...its a lot of chemistry that I dont want to bore anyone with, but that would be my best explanation for the phenomenon...

Sent from my Desire HD using Tapatalk

Please bore us with the chemistry. The audience here seeks to learn more about saltwater fish and the reproduction.

Montauk17 02-07-2012 07:14 PM
I catch reds in grand lake when the water is as salty as toledo bend,don't bother them one bit. Trout are a lil more picky.

"W" 02-07-2012 07:19 PM
Reds will not reproduce in freshwater


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