Anabantoid Compatibility
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Old 07-09-2013, 03:41 PM   #1
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Anabantoid Compatibility

Hi all, I've got a paradise fish in my tank that's about three inches long. He's a huge jerk, and I know how them and other anabantoids can be about aggression. I was wondering, could I add a couple of rams to my tank without having to worry about aggression?
I'm 22, and a Biology major. I like fish keeping because I can apply a lot of what I've learned in post-secondary education to my hobby I'll get a nice FTS to replace this crap eventually.
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Old 07-23-2013, 07:41 PM   #2
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What size tank do you have? I would stay away from Rams. From what I've read Rams can stress easily and you don't want to do that to them. I had a 20 long with a Paradise and 8 bloodfin tetras. I didn't have any problems.
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Old 07-24-2013, 02:14 AM   #3
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Paradise fish are cold water fish, and very aggressive about the whole tank. Keep him in a tank by himself.

Rams are warm water fish and actually not very aggressive as cichlids go, though there can be very aggressive individuals.
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Old 07-24-2013, 07:23 AM   #4
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'cold-water' is a misnomer. when i think cold-water, i imagine a fast-flowing mountain stream, or an underground body of water (like where the proteus - or 'covjeca ribica' in the local Croatian which translates into 'human fishy' - is from).
m. opercularis is from sunny pools of water, albeit not totally tropical ones. meaning it likes a VARIATION in temperature. they are from the koreas and china and such. not from thailand like b. splendens.
its temp range is corresponding to that. while tropical bettas and gouramis like temps of 78-84, much like new world cichlids; m. opercularis can be kept in water from 61-80, a wide range as one would expect from a more temperate creature.
but it is noted ( ) that it exhibits best coloration at temps of 70-75, which is taken with other anabantoids to be the temp they are healthiest at. for example, i have seen plenty of pics of betta rescues where an ugly brownish-grey betta was taken from a small petco cup at 73F and while acclimating to a heated tank at 78F (still in the bag, and thus still swimming in NH3) start darkening to show the gorgeous color pattern of a black orchid.

so one species likes temps of 70-75, the other likes temps of about 80-85...
no go.

additionally m. opercularis likes neutral water (ph 6-8) thats moderately hard to hard (5 degrees or more is cited).
m. ramirezi likes water as acidic and soft as possible (i know a guy who loves em in the NJAGC, and keeps his breeding tank at almost no hardness at all, and a ph of 5.6 if i remember correctly).
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Old 07-24-2013, 08:00 PM   #5
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It depends on your fish. I have a single male GBR and a blue paradise in a 29 gallon for almost a year now. They get along fine, matter of fact I think they actually like each other. The paradise fish shows slight aggression toward my black molly and the GBR shows some aggression toward my 4 emerald cories around feeding time. I've never seen them show any aggression toward each other.

My tank is unheated in the summers, where temps range from 74-82 degrees F. In the winter I keep the heater set at 78F.
Paradise fish don't need cooler waters, but it increases their lifespan. There are some breeders that like to over winter them in unheated tanks/ponds.

Water is regular Chicago liquid rock with close to off the chart hardness.

Last edited by devilduck; 07-24-2013 at 08:11 PM.. Reason: corrections
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