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Instinct vs. Memory

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#1
We all know that a bass is pre-programmed from birth to react so and so to certain situations and many may say that they are predictable.

Should this be the case, how then can we train fish to eat artificial food when it's not natural to them and also, why do new lures work so well and then their efficacy wears off? Does a bass have the capacity for memory which may overide instinct, I say yes??
[Image: big_fish_eat_little_fish.jpg]
BIG FISH EAT LITTLE FISH....
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BWG
#2
I saw a video of some lanie proffesor that says bass has a 15 min +- memory but if you do the same thing to it repeatedly it will remember that the lure did some thing bad, it can not remember what but it knows it wasn't lekker and that is why you can catch the same fish twice, probably not the same day( i have caught a small one three times onceonly had one eye un less there were three with only one eye) but in a weeks time then in 3 weeks time then it will be a long time before you will trick it again with the same lure.

My 2 quids worth
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#3
This is interesting.
I have hooked and lost a smallie(broke off,sounds k@k I know).about 3hrs later hooked the same one,removed both hooks and released.

On another occasion hooked the same Largie within a 12hr perod.

Note,both occasions these fish were not spawning or on beds.

Cheers
PM :blue-biggrin:
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#4
I would stick to the instinct factor.
They are simply reacting to how their suroundings evolved them...eat or be eaten. I dont think they have the capacity to realize we are trying to catch them with a designer lure fantastically crafted by a human. I think its us who get bored of lures and opt for newer cooler designs and think `wow, these work well' yet the classics that have been around for many years still catch fish.
The fact that we are possibly cathing more fish with newer lures is the that we are better understanding bass patterns including water temp, moon phases etc... constantly becoming better fisherman...
I think catching the same fish will happen (and obviously does) and as Ernst said maybe not in the same hour or day as surely the fish suffers from a bit of fright. That cant last too long and before long he is hunting again, if not, he will not survive...

My 2 bobs worth.. :blue-confused:
[Image: Dreamfish.jpg]
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#5
Fish Science

Do Bass Remember?





Dr. Keith Jones conducts research for Berkley at his Pure Fishing research station.

More and more in bass fishing, we hear the pros say that bass are "conditioned." The term usually comes up when discussing pressured fisheries and difficult bites.



But do we really know whether bass become conditioned? Specifically, whether they become conditioned to avoid certain lures they see time and again?



There are certainly trends on the bass tours that would seem to suggest that. For example, spinnerbaits once a dominant presentation for top pros seem a forgotten bait now. Small worms, swimbaits, frogs and other newer trends have replaced it.



But no examination of tour results is truly scientific, since too many variables factor in, such as venues and seasons.



There has been significant scientific research done on the subject, though. Dr. Keith Jones, who works in the research department of Pure Fishing and is widely regarded as one of the world's foremost bass experts, writes about that research in his book Knowing Bass: The Scientific Approach To Catching More Fish.



Four Types Of Learning



According to Jones, bass "learn" in several different ways. The four main methods of learning are:



# Associative Learning Think of this as trial-and-error learning. The fact that bass are capable of associative learning, Dr. Jones writes, is proven by laboratory experiments "where the animal is taught to link two types of stimuli, such as a certain-colored light with an ensuing electric shock. Bass readily learn these associations, both in the lab and in the field, although not as fast as some other species."



# Habituation This is the type of learning through which bass gradually become less sensitive to particular stimulations. Examples would include fish in an aquarium that no longer shy from people who walk by, or bass that learn to ignore boat traffic on a busy lake.



# Spatial Bass learn to move around their environments, recognize landmarks or objects and stake out home territories. Their ability to do so comes through spatial learning. In fact, according to Dr. Jones, bass in the laboratory have been able to find their way through an underwater maze to reach a desired point.



# Prey Images The fourth type of bass learning that Dr. Jones describes is the ability to develop and recognize prey images. Bass therefore can recognize a shad or crawfish as prey. "Given enough positive experience with a certain prey type, a bass will gradually come to actively seek out that specific prey," he writes. "Prey species, for their part, often counter the bass's efforts by changing their signature stimuli, often through the use of camouflage."



Noteworthy too is Dr. Jones' observation that while bass are capable of these different types of learning, individuals learn at different rates. He cites a 4-year study in Illinois that documented recapture rates of largemouth bass. The average bass was caught twice each season, but some bass were caught up to 16 times in a single season.



"Within every population of bass, some individuals learn to renounce lures very quickly, whereas others never make the mental connection between lures and trauma," Dr. Jones writes. "So much individual variation in learning rates exists that at one time, Texas Parks & Wildlife explored the potential of developing a genetic race of dumb bass."



Bass Memory For Lures



What's especially interesting about Dr. Jones' discussion of bass learning is a study conducted at Pure Fishing that tested bass memory for lures. The results suggest that bass "remember" lures for quite a long time.



In the study, bass were allowed to freely strike a minnow lure for a 5-minute test period. In the initial exposure, most strikes came in the first 1 to 3 minutes. By the end of the 5-minute period, the bass had learned to ignore the lure "since it provided no positive food reward."



The bass were then divided into two groups and held separately, with no additional testing, for different lengths of time.



After 2 weeks, the bass in one group were reexposed to the same minnow lure, again for 5 minutes. The response was one-tenth of what it was in the initial exposure, "indicating that the bass had retained a strong negative memory of the bait during the 2-week interval."



Holding bass for an even longer period yielded similar results. After 2 months, the second group of bass still tested well below the original response level.



Dr. Jones concludes his discussion of the memory study by writing: "The results show that under some circumstances, bass can remember lures for at least up to 3 months and perhaps much, much longer. Who knows? If the experience is bad enough, they might never forget."



What's it all mean for the bass angler? While there are no hard and fast rules in fishing, the research certainly seems to suggest that anglers should try different lures in the same areas, especially areas they fish regularly or that are heavily pressured.



Dr. Keith "Doc" Jones is director of research at the Berkley Fish Research Center in Spirit Lake, Iowa. His book "Knowing Bass, The Scientific Approach to Catching More Fish" is available at Amazon.com, Barnes and Noble, and other booksellers.
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#6
Super interesting! :blue-idea:
[Image: Dreamfish.jpg]
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BWG
#7
That sounds like the video I saw and confirms what I said thanks GK.
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#8
Ernst Wrote:That sounds like the video I saw and confirms what I said thanks GK.

Haha Ernst, nothing written in stone mate! :blue-biggrin:
[Image: Dreamfish.jpg]
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#9
Very cool article :blue-cool: That why pressured waters is such a big saying now days.

GK Wrote:Texas Parks & Wildlife explored the potential of developing a genetic race of dumb bass."

This would be something to explore :blue-badgrin: :blue-biggrin:
The more I learn about fishing the more I realise
how much more I have to learn about fishing.
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#10
Jeremy Wrote:Very cool article :blue-cool: That why pressured waters is such a big saying now days.

GK Wrote:Texas Parks & Wildlife explored the potential of developing a genetic race of dumb bass."

This would be something to explore :blue-badgrin: :blue-biggrin:

Ja, in the Western Cape......
[Image: big_fish_eat_little_fish.jpg]
BIG FISH EAT LITTLE FISH....
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#11
riprap Wrote:
Jeremy Wrote:Very cool article :blue-cool: That why pressured waters is such a big saying now days.

GK Wrote:Texas Parks & Wildlife explored the potential of developing a genetic race of dumb bass."

This would be something to explore :blue-badgrin: :blue-biggrin:

Ja, in the Western Cape......

I'm laughing so much now :blue-lol: :blue-lol: They are called smallies haha :blue-lol: :blue-lol: :blue-lol: :blue-lol:
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BWG
#12
:blue-shock: :blue-lol: :blue-lol: :blue-evil:
[Image: Dreamfish.jpg]
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#13
dreamfish Wrote::blue-shock: :blue-lol: :blue-lol: :blue-evil:

Sorry I had to stir a little :blue-lol: :blue-lol: :blue-lol:
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#14
All good :blue-cool:
[Image: Dreamfish.jpg]
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#15
I feel they do for sure have a form of long term memory. Although this can me over run by instinct fairly easy, however, even a advanced species like humans still get over run by instinct when the right buttons are pressed, so I wont judge the little green ones to hard!
One fish can change it all.....
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