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Agassizii aggression to gaurami.

pbibs

New Member
I was surprised when adding my final fish to my community aquarium that my Fire Red Agassizii took an instant dislike. Its a small young Pearl Gourami maybe 3 inches. The Cacatuoides swims right past and doesnt even seem to notice the Gourami. However, when the Agassizii spots him he chases him until he hides behind the internal filter. Tank is heavily planted so it is not constant aggression. I had thought that with the Gourami likely to spend a lot of time up amongst the floating plant that there would be no problem. Now, however, the agassizii is up in the floating plants too. I hadnt found any articles to suggest there would be problems. Its a 200 litre, 1 metre tank. Any thoughts? Its only the first day so i'm hoping it calms down.
 

Mike Wise

Moderator
Staff member
5 Year Member
Question. Did your agassizii live at the top of the tank before you added the gourami?
 

pbibs

New Member
Question. Did your agassizii live at the top of the tank before you added the gourami?
No, but he definitely has lived in all levels. And its a 45cm high tank. Like I said its got lots of plants and floaters.
He doesnt like the Cories either. Maybe just one of those fish. Funny thing is, if Cacatuiodes is near the Gourami he chases off the Agassizii when he comes near.
 

Mike Wise

Moderator
Staff member
5 Year Member
Each apisto has its own personality. Aggies in general are more territorial the cacatuoides, but yours seems excessive. How do the apistos treat each other?
 

pbibs

New Member
Caca is boss between the 2 atm but he is a little larger. Nothing too bad and has calmed down a lot over the past two weeks. A little more aggressive during feeding and shortly afterwards. Ive been advised to give it a week or so and increase the feeding of the Apisto and feed at the opposite end of the tank to where the gourami is hanging out. Ill give this a try and see if a fat belly calms him down a bit. There appears to be no damage to the gourami as yet but I will keep a close eye on him. My LFS has agreed to a return of the Agassizii with view to a swap for another Cacatuoides if necessary. I hope things calm down as imo the Agassizii (fire red) is a stunning little fish, comparable to marines Ive kept in the past.
 

pbibs

New Member
I think it is safe to say that things have settled down somewhat. Agassizii has calmed down and just occasionally has a little chase of the Gourami who now seems totally at ease with the situation. Have just lifted the lid to feed some brineshrimp and there is a large bubblenest at one end of the aquarium amongst the frogbit. The pearl has coloured up tremendously for a young fish and chases the Agassizii away from the nest if he comes near. I was somewhat surprised as there is no female in the tank. I think he must like the slightly acidic, very soft water. Im lucky to have such soft water out of the tap which comes from Derbyshire, UK and is naturally filterted through peat before it arrives at the house. A few almond leaves and the Apistos and evidently the Pearl seem to be in fishy heaven.
 
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