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In reply to Post #26
Vermin.
Probably secretly stocked by dodgy landing net manufacturers 
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In reply to Post #25
Yeah i agree, you do get odd ones, although i'll take them any day over a grassie!
They are the devils work, you feel like you need to put on a head guard and 10oz gloves and go into battle, just to unhook them.
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In reply to Post #24
they don't like their photo taken outside of their natural environment...
On a similar subject, I have had the odd fish that was absolutely impossible to lift on one side for a picture, but if I lifted on the other side it was well behaved.
A very strange situation, but I have found it several times...
When getting a large batch of stock fish delivered, maybe 20 or 30 fish or more, there is always one or two that have a "shy side" 
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In reply to Post #23
There are so many variables around this, i had a low 40 earlier this year i hooked two rod lengths out, which popped to the surface and i reeled it straight in, absolutely zero fight. The fish was healthy, looking very well and whilst she did have 5 mins in the net for me to sort camera bits out, all went extremely well.
We've all had other fish much smaller than that which go ballistic, fight like there's no tomorrow and just won't give up, but they tend to be unhooked and returned as photos not required, very few would leave them in their net to recover, that's the point i was making in my previous post.
With regards to the lactic acid, would be interesting to understand if there is more of a build up from going crazy on the bank in a short space as they don't like their photo taken outside of their natural environment, to what builds up in their muscles in typical a fight in the water.
In addition to this, there has to be something in the stress on a fishes organs when removed from the water and gravity takes effect, compared to most of its life with water supporting them. Saying that, not sure it helps picking a weigh sling though 
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In reply to Post #22
As regards lactic acid I asked AI this question
‘If a carp produces lactic acid due to stress how long before it goes'
This is the answer I got is below
I suppose it's what the individual feels most comfortable with
Other than getting your camera and scales ready (mine are always to hand) I'm not convinced that resting the fish helps, other letting the fish regain some strength only for it to expel it when it's restressed when it's taken out of the water.
Lactic acid in a stressed carp can take anywhere from a
few hours up to 24 hours or more to return to normal, pre-stress levels, depending on the severity of the stress and recovery conditions.
Factors Affecting Lactic Acid Clearance
The time it takes for a carp to clear lactic acid from its system can vary based on several factors:
Severity and Duration of Stress: Intense or prolonged physical exertion (e.g., a long fight on a fishing line) will produce more lactic acid, requiring a longer recovery time.
Water Quality and Oxygen Levels: Recovery relies heavily on oxygen to metabolize the lactate back into glucose or oxidize it via the Krebs cycle. Low dissolved oxygen levels or poor water quality will significantly delay this process.
Temperature: Water temperature affects a fish's metabolic rate. Generally, recovery may be quicker at optimal temperatures, but extreme cold can also slow down the metabolic processes needed for clearance.
Individual Fish Health: A healthier fish with good energy reserves will recover faster than a weaker one.
Species Differences: While general principles apply, specific physiological differences between fish species can affect their recovery times.
Impact on the Fish
High levels of lactic acid can cause a drop in blood pH (lactic acidosis), which disrupts the fish's metabolism and can lead to delayed mortality, sometimes as long as 72 hours after the initial stress event. This is why careful handling and quick, effective release methods are crucial for catch-and-release fishing
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In reply to Post #21
if the fish isn't going to be removed from the water then there isn't really as much of an issue.
After the fight the fish is tired and can have a build up of lactic acid in muscles.
A few minutes in the net so it can restore itself before removing from the water helps it settle before further messing around on the bank...
If its going to be left in the net then there won't be on the bank for a couple of minutes of posing for photos and weighing, so they are in a better state to go straight back.
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In reply to Post #20
Have you ever noticed how that basic fish care doesn't extend to smaller carp. The amount of people that capture the smaller stamp of fish in their lake (or even repeats of decent fish), and seem quite happy to unhook in the net and immediately return them as they don't want photos. Actually seen it done to a 40lber before.
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In reply to Post #18
Resting a fish when its captured isn't a "trend" its basic essential fish care!
Leaving it in the net for 5 minutes while getting the gear ready is adequate.
The social media whores who think transferring to a retaining sling for a while, or until mid morning just for a picture is unacceptable.
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In reply to Post #16
It seems a lot of fisheries these days insist or recommend you transfer fish into a sling before lifting from the water ( pretty difficult without a rigid sling ). What actual advantage this has over a correctly rolled net lift. I'm yet to work out.
I'd forgotten that one 
Properly rolled, probably the problem, too time consuming to put some slack line in the net or god forbid just cut it, you'd have to re tackle up and that could cost vital seconds and a missed opportunity!...even if using QR..it's not Q enough.
Dont think I'm built for this Carp world we inhabit these days... I could go on..
 Thing is, it's been a good run....a long run...does that even exist anymore or is old hat last year.
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In reply to Post #16
Agreed.
Another trend is to rest the fish before removing it from the water.
Why rest the fish so it regains strength and is stressed for a 2nd time.
Just be organised and do everything in one go.
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Are there any slings like the TA one, but with 2 poles/arms to release the fish easier?
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In reply to Post #15
Make you right. The rigid framed slings are defo easier for returning fish. But not enough of an advantage to do away with the old schools slings all together.
It seems a lot of fisheries these days insist or recommend you transfer fish into a sling before lifting from the water ( pretty difficult without a rigid sling ). What actual advantage this has over a correctly rolled net lift. I'm yet to work out.
Just been watching an old Dave Lane vlog. And in that he was lifting and weigh big fish in rolled nets and non rigid weigh slings. All fish returned fine.. And he should know..
Dont think I'm built for this Carp world we inhabit these days... I could go on.. 
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In reply to Post #14
Why did we come away from this type of sling
Big fish, shallow water, wearing normal shoes/trainers.
Rigid are easier to keep fish upright and guide away from bank, also extends further out into water, less chance of fish tangling itself up.
Like a lot of you, I started with standard none pole mesh weigh slings, still got mine somewhere, not sure I'd go back to it, but would like a softer poled mesh type.
As for slime removal, seems to be the thing to slide carp out of a net nowadays into a sling, rather than lift, not sure on most I catch if there's any slime left.
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In reply to Post #13
Why did we come away from this type of sling. Some people think there carp slime removers.. Are they?? Think I might have to revist. Dont even know your carry one. Do away with them monstrosity in stink bags we all seem to carry.
Might go the whole hog and get myself a set of compact Digi scales. Do away with them bulky round things.. 
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Tackle