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01-14-2012, 03:49 PM
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Join Date: Apr 2011
Posts: 374
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Massive Redd in the bow downtown
I am not 100% sure as I have never seen one. But I think I found a giant redd in the bow. You can see it from the west side of the tenth ave bridge downtown when your walking across to kensington. It was huge. there is an island in the middle there and on either side it is open water and must be no more than 2-4 feet of water. There was a red on both sides of the island and ran from right under the bridge 40 feet up the river and probably 15 feet across. check out the pictures and maybe someone can answer some questions for me
1. is it a redd?
2. Is a red only a redd if it is trout or is it still called the same thing if it is whitefish, etc.?
3. If it's not a redd what the hell is it?
Last edited by Dan Foss; 01-14-2012 at 04:11 PM.
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01-14-2012, 03:56 PM
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Join Date: Nov 2011
Location: ES2
Posts: 314
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Redds are not that big, Redds are typically 3-4feet wide up to 10 feet long and in less than 2 feet of water, what you seen i'm guessing is gravel wiped clean from passing ice??
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01-14-2012, 04:00 PM
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Join Date: Apr 2011
Posts: 374
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Quote:
Originally Posted by SalmoTrutta
Redds are not that big, Redds are typically 3-4feet wide up to 10 feet long and in less than 2 feet of water, what you seen i'm guessing is gravel wiped clean from passing ice??
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no. definitely not. there was a distinct difference between the strips of gravel and what this was. the one picture even shows the difference. it is a milky colored cloud that was in the water. and the cloud wasnt moving.
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01-14-2012, 08:33 PM
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Join Date: Jun 2009
Location: Edmonton
Posts: 8,144
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Quote:
Originally Posted by Dan Foss
no. definitely not. there was a distinct difference between the strips of gravel and what this was. the one picture even shows the difference. it is a milky colored cloud that was in the water. and the cloud wasnt moving.
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Not moving? Definitely ice.
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01-14-2012, 09:49 PM
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Join Date: Mar 2010
Location: Central Alberta
Posts: 4,306
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Its ice i was out on the bow today and seen some stuff by glenmore just like it and picked it up out of the water. Lots of ditomo in there aswell
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01-15-2012, 01:09 AM
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Join Date: Feb 2011
Location: Calgary
Posts: 1,769
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Wait for the next week and you will see a lot more of it on the bottom and on some larger rocks that are submerged.
Just ice that isn't melting because the water temp is so cold.
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01-14-2012, 04:00 PM
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Join Date: Mar 2009
Location: calgary
Posts: 1,043
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not to derail the thread , but what the heck is a red ?? I thought it was a fish or something .... obviously Im not getting it !
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01-14-2012, 04:05 PM
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Join Date: Nov 2011
Location: ES2
Posts: 314
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Redds are a nest fish build to spawn in.
http://farm3.static.flickr.com/2447/...8203c3e8_o.jpg
Typical Redd, to the best of my knowledge Whitefish do not nest, It's late/early in the year for anything to be spawing, but anythings possible with the weather these days.
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01-14-2012, 04:06 PM
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Join Date: Oct 2008
Posts: 2,003
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Quote:
Originally Posted by deepfried
not to derail the thread , but what the heck is a red ?? I thought it was a fish or something .... obviously Im not getting it !
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Im gonna guess spawning grounds ??
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01-14-2012, 04:09 PM
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Join Date: Apr 2011
Posts: 374
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My bad. It is spelt with 2 Ds: Redd. Trutta described it well
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01-14-2012, 04:22 PM
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Join Date: Nov 2011
Location: ES2
Posts: 314
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Not real familiar with that section of the Bow, I know south of the city like the back of my hand. Are there storm water drains near by? It is possible it could be a bloom of Didymosphenia geminata (Rock Snot).
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01-14-2012, 04:22 PM
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Join Date: Jun 2011
Location: Calgary SW
Posts: 326
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My guess is that it is ice that has formed over the rocks with the fluctuating water level. River is up and now covering the ice, but too cold to melt it.
If it was a redd it would have to be a 400 foot brown trout.
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01-17-2012, 03:47 PM
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Join Date: Apr 2010
Location: Calgary
Posts: 94
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Hey Guys,
So I do fisheries research for my job and all fall we perform redd survays. From my experience this isnt a redd. Redds are much smaller and in shallower water, almost always in the headwaters of rivers. Its winter so the spawning fish in the bow are: Bull Trout, Brown Trout and Brook Trout. Mountain Whitefish are also spawning but they are broadcast spawners and do not dig redds. This looks like ice forming on the rocks on the bottom. Hope that clears it up.
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01-17-2012, 03:58 PM
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Join Date: Apr 2010
Location: Calgary
Posts: 94
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Heres a pic of a big redd. About 1.5 meters wide and 3 m long. One of the biggest we found the whole year. Made by a Bull Trout.
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01-17-2012, 04:09 PM
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Redds aren't always in extreme headwaters for all species. From the pictures in this case, it looks like anchor ice. I've watched large browns spawning in the mainstem of the Oldman, in up to 1 metre of water. Browns like sidechannels as well but they do utilize the main stems more than one may think. Best defining feature, look for the hump at the tail (downstream end) of a deppresion. They leave a defined rock pile, like 20-30 cm of gravel can be worked by a large brown easy. Bullies same thing, and not exclusively in little creeks. Remember, fish can be very instinctive, and fall spawning species will often choose areas where redds aren't lost to ice.
This redd for example, was made by relatively small bullies (3-4 pounds i'd estimate) in a very unproductive river system, you can make out the hump if you look closely. Over 50 cm deep, id say this was an average redd in an area with lots of springs and very little winter ice.
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01-17-2012, 04:20 PM
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Join Date: Feb 2009
Posts: 12,770
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almost on topic, biggest rainbow Ive ever seen in Alberta was under the bridge at the zoo, on the Memorial drive side channel, huge hook jaw, and was playing with a nice silver female rainbow, chasing her around. dont remember what month it was, but it was likely springish. he was scary big, looked like one of the big steelhead I saw out on Van Island.
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01-17-2012, 04:25 PM
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Join Date: Apr 2010
Location: Calgary
Posts: 94
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Quote:
Originally Posted by jrs
Redds aren't always in extreme headwaters for all species. From the pictures in this case, it looks like anchor ice. I've watched large browns spawning in the mainstem of the Oldman, in up to 1 metre of water. Browns like sidechannels as well but they do utilize the main stems more than one may think. Best defining feature, look for the hump at the tail (downstream end) of a deppresion. They leave a defined rock pile, like 20-30 cm of gravel can be worked by a large brown easy. Bullies same thing, and not exclusively in little creeks. Remember, fish can be very instinctive, and fall spawning species will often choose areas where redds aren't lost to ice.
This redd for example, was made by relatively small bullies (3-4 pounds i'd estimate) in a very unproductive river system, you can make out the hump if you look closely. Over 50 cm deep, id say this was an average redd in an area with lots of springs and very little winter ice.
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I said almost always in headwaters, but definitly not always. Browns especially. They a warm water trout and dont travel to the headwaters of alot our rivers The Old Man for example. Good pic of a Redd.
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01-17-2012, 04:02 PM
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Join Date: Apr 2010
Location: Calgary
Posts: 94
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Heres a Bull on her redd.
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01-17-2012, 04:39 PM
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Quote:
Originally Posted by Fishtech1986
Heres a Bull on her redd.
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Are your pictures down south here? Just looking at the rock colors..Nice shots.
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01-17-2012, 04:42 PM
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Banned
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Join Date: May 2011
Location: down by the river
Posts: 11,428
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Great pics!
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01-18-2012, 08:47 AM
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Join Date: Apr 2010
Location: Calgary
Posts: 94
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yeah those pics were taken in the Castle Drainage. Ive got sooo many pics of bulls.
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01-18-2012, 10:20 AM
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Join Date: Dec 2010
Location: CANADA
Posts: 6,269
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Looks like a Chemical flocculant to me could be a spill that has coagulated on this spot i would call SRD/Envrio Alberta to do a test better to be safe than sorry.. i have Run a Water Treatment plant and have seen all kinds of _____ in the water in a River ie Athabasca Hinton Northern River Basin Study
can you get a sample of it in jar (that first pic) not sure what but?
Food for Thought
David
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01-18-2012, 10:38 AM
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Join Date: Jul 2011
Posts: 2,050
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It's not a spill it's anchor ice, it happens almost every year in this section of the river. I'm not discounting your expertise, it takes a quick drive and a few minutes of wading to see it for yourself.
This year it was surprising to see as we had warmer than traditional weather, anchor ice ussually doesn't form in this area until it gets really cold.
Not only does anchor ice negatively effect eggs, it can have drastic impacts on bug life if it gets deep enough into the gravel.
A friend contacted me about the anchor ice a few weeks ago when crossing the river on the train, i was very surprised to see it..... today I wouldn't be surprised with the temps we are experiencing.
In Fly Fishing Western Rivers Jim McClennan talks about the issues anchor ice can cause in our systems
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01-18-2012, 04:23 PM
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Quote:
Originally Posted by Jayhad
It's not a spill it's anchor ice, it happens almost every year in this section of the river. I'm not discounting your expertise, it takes a quick drive and a few minutes of wading to see it for yourself.
This year it was surprising to see as we had warmer than traditional weather, anchor ice ussually doesn't form in this area until it gets really cold.
Not only does anchor ice negatively effect eggs, it can have drastic impacts on bug life if it gets deep enough into the gravel.
A friend contacted me about the anchor ice a few weeks ago when crossing the river on the train, i was very surprised to see it..... today I wouldn't be surprised with the temps we are experiencing.
In Fly Fishing Western Rivers Jim McClennan talks about the issues anchor ice can cause in our systems
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Yeah, i remember walking along the Red Deer River a few years ago and finding a side channel plugged with anchor ice. Returned the next day (much warmer day, this would have been in early april i think) to find nice adult brown trout that were crushed (looked like they went through a cheese grater) laying around in the channel. Redds were obviously destroyed in the same channel, but the adult (16-18'') mortality surprised me.
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01-18-2012, 06:24 PM
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Join Date: May 2007
Posts: 2,965
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There's anchor ice around 10 St every single year. The water is so cold in winter that if you put a very fine meshed net in the water, and decrease the current speed, you actually get slush formed in your net. It makes bug collection very tricky in the winter.
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01-18-2012, 10:38 AM
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Join Date: Nov 2011
Location: ES2
Posts: 314
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Quote:
Originally Posted by Fishtech1986
yeah those pics were taken in the Castle Drainage. Ive got sooo many pics of bulls.
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that's nonsense, there's no Bulls in the Castle System
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