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since i've moved my 40g to my new house i've noticed that the angel is becoming very agressive towards my gourami mainly the female, and the male gourami has changed he used to be the one being chased away by the female now hes chaseing her around.

the angel will not bother any other fish unless there is food on the surface, but he will actively look for the gourami amoung the plants then chase her.

i can't see any damage to the gouramis, and they don't seem to be stressed by it.

any ideas?? how could i stop it?????

cheers shekoi

Last edited by shekoi at 19-Oct-2004 10:43

www.blooming-brilliant.co.uk

It could possibly be a change in water chemistry from moving houses and water sources... that's about all i can think of unless you changed the aquascaping in a way that changes things for the angel...

I think sometimes as fish get older their personalities change. I had an angel, gourami, and lace cat in the same tank for months and everyone got along fine. Then I noticed the lace cat relentlessy chasing the angel and the angel and gourami picking at each other. I ended up having to move the cat and gourami as the poor angel was getting torn fins.

quick question, when you got these fish, do you remember the order they were introduced into the tank? I ask because when you re-arrange just about anything inside a fish tank, or for that matter, sometimes even outside the tank, anything to chance the atmosphere, the social order is undone, completely. It could be that the angel is now in charge. That's one possibility, but I don't think I've ever seen fish just "change their minds" about each other. There is always some sort of reason, even if you don't see it right away. If it persists, and you're worried that the gouramis may be getting hurt or disturbed, just remove them from the tank, or for that matter, remove the angel.
Actually, come to think of it, you could use the principal I just talked about to re-establish the heirarchy within the tank. take all the fish out, and move the decorations around. Once that's done, acclimate the fish, gouramis first, and see what that does, if nothing else, it'll brighten up your aquarium.


-good luck, and I hope it works out for you.

-tankster

thats a very good throught tankster! in my parents house the angel was the last one to be introduced into the tank.

i think when i moved the tank the angel fish went in first, i'll try your idea when i next do a water change.

does introducing new plants help or would i have to move the olds ones around to?

cheers for the replies

shekoi

www.blooming-brilliant.co.uk