Harlequin Rasbora deaths... is Paradise fish the murderer?

JinxXx0085

JinxXx0085

AC Members
Jun 12, 2005
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Montana
Hi all!
I have a little bit of dilemma here. As the title stated... the death only started when I added the paradise fish. So obivously I'm blaming the paradise fish but.. I want to be sure if that is the cause or if you know what other problem might be? Currently in my 29g, theres 4 Harlequin Rasbora (previously 6.... then 5...), 1 paradise fish, 2 angelfish, 5 cories, 2 otos, and 2 bamboo shrimps.
I've been thinking about moving the remaining rasbosa into my divided 10g which houses 2 bettas, 3 kuhili loaches and tons of snails. I want to keep all 4 together in one side of the tank w/ the betta. Would that work out or it'll be a cramped space?
Some feedback would be appreciated!
Thanks ya all,
Jinx
 
First off, what are your water parameters? I take it there were no signs of injury or disease prior to the deaths? How long did you have the rasboras before the deaths?

Paradise fish can be quite aggressive, so I wouldn't doubt that it could be the culprit. Still, you want to rule out any other factors as well.
 
Depends on wether or not they had obvious signs of being attacked or not. (Torn fins, missing scales, etc...) If not, then you may have introduced a contagion into your tank.
Depending on how well your filtration is, you MIGHT be able to fit your rasboras in with your bettas.
 
The water parameters: Ammonia: 0, Nitrite: 0, and Nitrate: 10
Yesterday I had 5 rasbosa they all looked healthy but started to look somewhat beaten up like they looked like the last time when they orginally was 6 when one died to give only 5 fish. Today, they all are looking beaten up... some scales are missing.. the black part of rasbosa aren't solid more... i suppose that is the scales missing. And only 4 today so I suppose the murderer striked during the night? :rolleyes:
I've added some salt to help with healing and so on. The rasbosa have been there for long time (not a year yet) before I added paradise fish (approximately 2 months).

As for moving the rasbosa to my 10g, I'm currently in process of moving away from UGF to sponge filter so I'm not sure if thats enough of filtration. There will be like 1 1/2 sponge filter.. I'll have the actual sponge filter in one corner and another just a cheapo floss filter stuffed around the riser tube. I'll have 2 riser tubes in there for filtration and some water movement from the bubbles.

I have another concern now... would paradise eventually beat up on my 2 angelfish? Betta (if I moved him to 10g to share w/ betta)?
 
Any aggressive labyrinth fish (Betta, gourami, paradise, etc) will likely attack others of the same genus.

If you think this guy is a real jerk store salesman, then I would suggest housing him either alone or with other fish who can take his crap without wanting to fight to the death, like barbs or someone like that.

Those labyrinth fish can be a little unpredictable in temperament.

:joke:
 
Last night I saw the gourami chasing those poor little rasbosa all over the tank, ramming them whenever he can after the lights out. I suppose he can see them real well while those poor little fish don't fare well in darker enviroment? The angefish was taking nips at them whenever they got close enough too! So I quickly netted them up and put them in with my betta in divided 10g and all is well. Those rasbosa now can stand a chance with a betta that is slow swimmer!! So I know that they'll be fine.
Now I'll have to keep watching the gourami (paradise fish) and see how he treat the angels, hopefully that the angels can stand their own ground, er um, water. :p:
I defintely won't try putting gourami and betta together, maybe I can put one of the betta in the 1g hex tank and then put the gourami in the divided 10g. (Only if its necessary! Hopefully not.)
 
I have 3 male paradise fish togheter and they do fine. Every now and then, you can see them spreading their caudal fins and turning around each other. The tank has other 6 assorted gouramies and they get along. Everyone tell me this should be a no-no combination, but I've been lucky. :joke:

However, the older paradise fish is agressive toward any feeder fish introduced to the tank.
 
patoloco said:
I have 3 male paradise fish togheter and they do fine. Every now and then, you can see them spreading their caudal fins and turning around each other. The tank has other 6 assorted gouramies and they get along. Everyone tell me this should be a no-no combination, but I've been lucky.
Click to expand...

So I have heard also. I yet have to experience this. I wanted a dwarf gourami but I don't want to deal with what might happen and then end up giving away the gourami.. so I don't really want to go that routine but I wanted to see if I could add any other types of fish to my tank. I was thinking about zebra danios or something like that. But my concern is that I don't want any fish to be nippy towards my angel fish and then be beaten up by the gourami.
Any suggestion? Like Patoloco said, older gourami are aggressive towards feeder fish... I'm open to other ideas to some fish that can evade the gourami and not nip at any other fish too.
Thanks a whole bunch!
 
*bummmmmmmmmp*
I just wanted to bump the thread and see if I can get any ideas of what type fish that I can put in my 29g with angelfish and paradise fish (the one that wouldn't nip at my angels so much and wouldn't get killed by the paradise fish)... I'm hoping that one of you have some experience with these type of fish :thm:
 
I was a bit confused until I realized you were referring to the paradise fish as a gourami. So your 29 gallon currently has the fish in your tank specs minus the rasboras, correct?

I used to have a semi-aggressive community tank with paradise fish and tiger barbs which worked well, but I don't know how the tiger barb/angel combo would work. I'd worry about the barbs nipping the angelfishes fins. Hopefully someone else will have more suggestions.

How is the paradise fish doing with the angels so far?
 
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