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Some people say that a goldfish has a memory span of 5 seconds. This is NOT TRUE! Goldfish are incredibly intelligent and have a memory span of three months and longer. Goldfish have been known to respond to light, sound and color, they can even recognise different people.

When a scientist wants to test the memory of a goldfish they usually pair some form of light, color, or sound signal with food and using positive reinforcement to create a desired bahavior (goldfish can do tricks like slalom and play fetch). When the behavior is learned the scientist quits making the fish do the trick. Then, after a certain amount of time (say two weeks or a few months) the scientist will use the stimulus and see if the fish remembers to do the trick in order to get the food. That is how the memory is tested.

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โˆ™ 2011-10-03 21:09:31
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Q: What is the memory span of a goldfish honestly if you really know and how do scientists know?
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Have goldfish's really have a terrible memory as people say?

There have been a few studies on it, goldfish actually have a memory of about 3months. There have been a few studies on it, goldfish actually have a memory of about 3months.


How does the memory part of the brain work?

Scientists are not really sure how it happens, but the part of the brain responsible for memory is in the limbic system, a part known as the hippocampus.


Why do goldfish get so fat?

A fat goldfish is unhealthy, and the reason for the fattness of some goldfish is because of over-feeding. Though a goldfish owner may think that their goldfish are really hungry because they eat everything the owner puts in, a goldfish will really eat anything as mcuh as it can like it is really hungry. The biggest mistake goldfish owners do is overfeeding their poor goldfish. I always give my goldfish one day of fasting per week, but a fasting day isn't necesarry when you feed it the right, small amount.


Could a leech be born from a goldfish?

I believe not. Unless scientists do some weird cloning thing, that's not possible. But I hope not. That would be really weird.


Can you give your goldfish bread?

yes you can give your goldfish bread but then your goldfish will get really fat if u feed it too much or sometimes all goldfish won't eat it


Can you train a goldfish?

Yes, you can train goldfish. Goldfish are extremely intelligent animals and are able to learn a wide range of tricks! If you are thinking about training your goldfish you might want to look on you-tube and try to find a tutorial for training goldfish. It really annoys me that people say goldfish are unable to be trained because they have a memory of 5 minutes, when in actual fact, many goldfish have been trained and they have a memory of up to a week. so, if you keep repeating the trick every few days or so, then your goldfish will learn the trick. PS. i have two goldfish and they are both trained, they can: eat from my hand, keep a little plastic ball from sinking by bouncing it up with their heads, one of them can blink, and, they both beg for food. Good look training your goldfish, i hope it is a success!


Can goldfish choke on their food?

If a goldfish attempts to eat something that is too big to fit down its throat, it will spit it out. Really the goldfish is 'Coughing'!


Is goldfish a reptile?

OK really!! it's not a reptile it's a fish why do you think they call it a goldFISH


Is goldfish a type of carp?

Goldfish is a type of carp and when they get really bigthey start to turn in to carp kinda!


Are goldfish crackers bad for your teeth?

No not really


Are goldfish that are really gold rare?

yep


Will a goldfish die in soapy water?

A goldfish will probably die in soapy water, unless you change the water really really fast completely with nice, clean, no-chlorine drinkable water. All the harmful stuff in it will kill the goldfish!


What is in love?

how do you truly know when you are in love cuz honestly i thought i was in love but it turns out that maybe i was really wrong. how do you truly know when you are in love cuz honestly i thought i was in love but it turns out that maybe i was really wrong. how do you truly know when you are in love cuz honestly i thought i was in love but it turns out that maybe i was really wrong. how do you truly know when you are in love cuz honestly i thought i was in love but it turns out that maybe i was really wrong. how do you truly know when you are in love cuz honestly i thought i was in love but it turns out that maybe i was really wrong. how do you truly know when you are in love cuz honestly i thought i was in love but it turns out that maybe i was really wrong.


Are goldfish faster swimmers than Oscars?

Oscars eat goldfish. Therefore, does it really matter if Oscars are faster?


What is commensalism to goldfish?

There is really no commensalism that takes place between goldfish and other creatures. Occasionally, goldfish will clean their homes by eating leftover food and waste products.


Is it safe to put tadpoles in the tank with your pet goldfish?

I really would not put the tadpoles in with the goldfish...the goldfish will most likely eat them all. It depends on the goldfish size, but eventually they will try to eat the tadpoles whether they suceed or not. :/


How do you breed a goldfish?

Well, i really dnt know


How do you know if your goldfish will lay eggs?

They will be really fat.


If you have goldfish how long can they really live?

The length of a goldfish's life depends on it's environment and how you look after it. A well looked after, healthy and happy goldfish can live as long as 40 years


Do goldfish help you feel calm?

get a goldfish and test it out i have a gold fish it dosent really make a difference


Can angelfish live with goldfish and not fight?

Yes i have one goldfish and one angelfish and they do not fight people say they do but they really don't.


Is it safe to touch goldfish?

It is safe to touch goldfish, but they don't really enjoy being petted. Fish are not as affectionate as mammals are.


Can you put goldfish with Parrot fish?

you should'nt put parrotfish with goldfish. Parrot fish are known to be be quite mean. It will eat or kill the goldfish if it is smaller than he is. So unless you have a really big goldfish, I suggest not putting it in with the parrotfish.


How big do goldfish grow in a 55 gallon tank?

Goldfish commonly grow to over 12 inches. The size of your tank would indicate that it is not really large enough for keeping goldfish in. The basic rule of fishkeeping is "1 Inch of fish needs a minimum of 1 gallon of water. Goldfish should really be kept in a pond.


Do goldfish eat newts eggs?

NO,they will not eat newt eggs unless there really hungry the will stay with goldfish flakes and other stuff

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