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 fish have good memorys and can be quite cunning

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mbuna

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Join date : 2011-10-17
Location : northern ireland

PostSubject: fish have good memorys and can be quite cunning   Fri Dec 09, 2011 10:24 am

Apparently, and hardly supprising for any one who kept fish for some time, the old belief that a fish only has a three second memory is complete balderdash. In fact scientists have discovered that fish actually do have quite a good memory, and can actually be quite smart. They have also been noted to be capable of working in a team, and even acting quite deviously.
One scientists, Dr. Kevin Warburton, who has been engaged in research on the subject for many years, has discounted the whole three second fish memory idea, as “absolute rubbish”.
Fish have been discovered to be far more clever, than was previously thought.
Dr. Warburton expounded, “’Fish are quite sophisticated. Fish can remember prey types for months. They can learn to avoid predators after being attacked once and they retain this memory for several months. And carp that have been caught by fishers avoid hooks for at least a year. That fish have only a three second memory is just rubbish.”
Dr. Warburton’s research has been focused on the freshwater fish of Australia, and has been taking a look at how Silver Perch actually learn how to handle the varying kinds of prey they come into contact with.
He has also said that the fish seem to exhibit human behavior in some instances. “Some behavioral traits that we think are very human, such as deception, fish have as well,” Dr. Warburton explains,
“Fish can recognize other individuals and modify their own behavior after observing interactions between other individuals. For example Siamese fighting fish will attack other members of the same species more aggressively if they’ve seen them lose contests with other fighters.”
It has been noted that in reef environments that cleaner fish remove and eat parasitic organisms off of larger “client” fish. “But what’s fascinating is that they co-operate more with clients when they are being observed by other potential clients.” Dr. Warburton added. ‘This improves their ‘image’ and their chances of attracting clients. Some cleaners co-operate with small clients to raise their image so as to deceive larger clients, which they then cheat on by biting them rather than removing their parasites.”
The fish even take a second look at potential predators to see how much of a risk they pose. “For added safety, they often do this as co-operating pairs, with the two fish taking the lead alternately. They will approach predators most closely when they have co-operated in previous inspections.” he explained.
Some minnows will even recognize a dangerous environment by associating a certain smell in the water with “alarm” chemicals that are released by other minnows who were felled by a predator.
This just goes to show you, that fish not only are not as affable as we once thought them to be, but actually have an intricate social structure, advanced forms of communication, and can literally swim circles around their prey. This we need to re-evaluate our entire conception of these creatures.
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wonderfish

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Join date : 2011-11-06
Age : 47
Location : Ireland

PostSubject: Re: fish have good memorys and can be quite cunning   Fri Dec 09, 2011 10:53 am

Its amazing to think that the 3 sec memory thing was ever really believed isn't it? This article is quite similar to one i posted in the marine section on wolf fish using these sort of tactics too!

Amazes me all that kind of behaviour - i watched a program a while ago where chimps were using deception to get food - for example one chimp recorded used the alarm call to get all the other chimps to run off and leave the food behind them - sneaky wee sod then ran down and nabbed all the food for himself lol!

But now we learn that fish use similar methods of trickery. They are obviously smarter than a lot of people think - will be interesting to see how the research develops and what kind of impact it has on things like cruelty laws etc - a lot of things seem to be excused when people think well its only a daft wee fish!
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