Smart Koi Fish

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Uploaded by on May 6, 2009

One day about a half hour before my fish feeding time I hear a knocking sound comming from the fish tank. To my suprise the white and yellow Koi fish is banging the heater against the fish tank to remind me that it's chow time.

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Pets & Animals

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Standard YouTube License

  • likes, 13 dislikes

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Top Comments

  • Get a bigger tank!...Looks like a hoarding problem.

  • A bit crowded dont you think?

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All Comments (70)

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  • u have a red parrot cichlid and they dont attack o.o!!!!!!

  • love the kois though ^^

  • omfg u have some rare fishes Q.Q

    a white ryukin . god dam uuu!!! Q.Q

  • too crowded they must be boooooooored

  • Your fish are beautiful, and the one knocking is very smart, but you are taking away from your aquarium with that boat. All it is doing is taking room away from your Koi's, and I don't think it even looks that great.... Your cichlids are very pretty too.... After reading all the other posts I think everyone is getting on you for the overcrowding issue, so i apologize. But the boat really does need to go..

  • Koi fish are the smartest fish. They can be trained. If anyone argues and says no they're not and that Dolphins are smarter, fyi Dolphins are mammals.

  • I'd be banging against the heater, too.

  • I see some one who has to have everything, The pirate ship could have got you a bigger tank...

  • Lol, that's what my goldfish do with my glass thermometer!

    They knock on it, against the glass trying to tell me that they are ready for there food! :)

  • To crowdy your fish is exceeding the capacity of the tank and the risk of electrocution to your pets is big. Cruel...

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