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Transit time vs weight variation ??? (16 posts / 3,178 views)
2ndChance 2ndChance
Posts: 2,946
Post #1 9 Jan 2021 17:25
0
Anyone ever experience a similar scenario :-

Landed a 30lb carp at 11:30PM, weighing 30 and some change
Get a run at first light ... carp in the net turns out to be the exact same carp caught the night before, but this,
it´s a 30 and twice as much change Weighed 3 times, and definately 200g heavier than the
previous weigh in, the night before.

Gut transit times vary, and in certain cases can take upto 8hrs, but what´s the maximum overall weight increase(not weight gain as this is only temporary till excreted ) anyone has experienced ? A 30 can easily munch a kg or 2 if feeding hard.
daviduk daviduk
Posts: 1,212
Post #2 9 Jan 2021 22:22
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In reply to Post #1
The only experience i had of this was back in the 90s ,
Caught a Carp around 6 in the evening weighing 18lbs 12ozs , caught the very same Carp 12 hours late at roughly 6 in the morning weighing in at 18 lbs exactly , so a 12 oz loss over 12 hours
2ndChance 2ndChance
Posts: 2,946
Post #3 10 Jan 2021 10:22
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In reply to Post #2
That´s crazy how weights can fluctuate over such a short period, taking the carp gut anatomy into account, that is unlikely to hold that much, over longer periods.
Chuffy Chuffy
Posts: 6,794
Post #4 10 Jan 2021 10:24
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In reply to Post #1
Simon Crow just posted about this very thing on Faceache LINK
MARKerz
Posts: 1,944
Post #5 10 Jan 2021 14:28
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In reply to Post #1
No surprise if it's caught so quickly after the first capture, it was obviously back on the feed fairly quickly, who knows how much it had eaten before it's second capture?
Have had repeats by a few days but not half a dozen hours or so.
2ndChance 2ndChance
Posts: 2,946
Post #6 10 Jan 2021 14:38
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In reply to Post #4
That´s crazy ... wonder how often carp eat their own cr@p.
braders1978 braders1978
Posts: 18,195
Post #7 10 Jan 2021 15:14
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In reply to Post #3
I had a repeat capture less than 12hours apart,the fish weighed less the second time.I was told they can drop weight after capture due to stress.Im not sure how true that is
Greekskii Greekskii
Posts: 3,434
Post #8 10 Jan 2021 15:21
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In reply to Post #7
Most likely true.
They'll use energy and burn a few calories fighting so might drop an ounce or two.
They'll probably empty their guts as a part of the fight or fight response which will lose a bit of weight.

So all them fish just at 15oz probably were over the mark before you hooked them!
Si_Fisher Si_Fisher
Posts: 1,412
Post #9 10 Jan 2021 15:35
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In reply to Post #1
Tim Paisley used to say they lose a lot of weight in the sack, and always weighed them straight away... Obviously they ain't gonna put any on lol.... Never experimented as to if this is true or not, and whether it's a significant loss.....
Apparently they can get dehydrated 🤷🏻‍♂️... Sounds odd, who knows, a capture is a capture what ever the weight, but fish can certainly fluctuate quite a bit in a short space of time,
And over 10lb post spawning...
Slightly off topic though 😂😂
2ndChance 2ndChance
Posts: 2,946
Post #10 11 Jan 2021 14:14
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In reply to Post #4
Crazy post about the big carp out of Goslawice in Poland, last year, on Simon Crow´s FBPage.
Came out in the morning at 35kg, then later that evening, came out again at 37kg
The poor lad that had it that evening, was branded a liar, at first , but the bailiff himself,
weighed the fish and confirmed the correct weight of 37kg. Gobble gobble
scozza
Posts: 18,421
Post #11 11 Jan 2021 16:47
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Somebody once told me a 30lb carp would eat around 8oz or 1/2lb of food / bait a day to maintain its weight and enable growth on average, seasons and metabolic rates will all effect this but if you think on this basis there's a reason why carp are like greedy pigs and dominate all other species in the lake

Plus like most animals (fish) they are opportunists so could probably shift a lot more and less than this!

What people don't seem to appreciate is that carp are eating quite a lot of food when the conditions are right, couple this with fish numbers and other species they are turning some food over in most waters, and not just anglers hook baits
firebladerrw
Posts: 102
Post #12 11 Jan 2021 21:06
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In reply to Post #11
Poss osmoregulation stress......seems more likely to me. Osmoreg is energy heavy and may be 'rested' while fish recovers. Or it could go into hyperdrive? We all react differently to stress. It seems reasonable to speculate that fish would too. Would explain weight variation either way. Absorbtion/expulsion of fluid is potentially a means of a fish to vary quite quickly in weight.

Just a theory. Could be an interesting thesis.....
scozza
Posts: 18,421
Post #13 11 Jan 2021 21:22
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In reply to Post #12
It's an interesting one mate
2ndChance 2ndChance
Posts: 2,946
Post #14 11 Jan 2021 21:40
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In reply to Post #13
Most definately ... way more complicated than it seems.
vossy1 vossy1
MODERATORMOD
Posts: 9,046
Post #15 12 Jan 2021 11:10
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In reply to Post #12
I'd go with that too and it's well documented on the net simple explanation here
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