Tropical Fish Keeping - Aquarium fish care and resources

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-   -   something i have noticed with YOUNG angels :) (http://www.tropicalfishkeeping.com/cichlids/something-i-have-noticed-young-angels-77751/)

fryup 08-11-2011 03:20 PM

something i have noticed with YOUNG angels :)
 
1 thing i have noticed is wen you have a group of angels in a tank and add a new one it send them ALL into a little panic , making them all group together including the new 1, i dnt know if this is to check the new one is a thret or just to see thewre new tank mate also they thin seem to swim around the tank together ....has anyon else see there fish act diferent upon the arival of a new tank mate ????



:):):)

Boredomb 08-11-2011 05:57 PM

I don't know about adding new tank mates to existing angels but I just recently added a group of 5 young angels to my tank. The tank had 2 german blue rams and three otos in it. The angels seem to swim together most of the time in my tank. I don't know if this is normal or not? My GRBs come out more now that the angels are in the tank. They even swim towards the top of the tank with them. LoL before I would hardly ever see them when I had some Colombian blue tetra in the tank.

fryup 08-13-2011 03:10 AM

Yh mine swim together too , its made my discus a lot more confident since I expanded my "pod" of angels :)
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Snappyarcher 08-13-2011 03:25 AM

Quote:

Originally Posted by fryup (Post 781000)
Yh mine swim together too , its made my discus a lot more confident since I expanded my "pod" of angels :)
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There is a couple of reasons for this. Firstly cichlids are semi obligatory shoaling fish which means that the group structure, although not as highly developed as with the barbus group, is still there and they seem intolerant of "stray fish". I'm the wild a stray fish is often attacked and killed. But in an enclosed environment it seems the behaviour is reversed and they assimilate a stray. The discus will be happier with more angels in the tank because they can't discern between themselves, discus, and angels, so as far as they are concerned it's simply that the family shoal has just got bigger. Second this occurs with cichlids because to be truly happy they need "dither" fish... The theory is that they watch the dither fish for signs of danger and can then react earlier to signs of a thread, thus giving them confidence.
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