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FAQs on Colisa lalia "Dwarf" Gouramis of Many Names, Honey, Flames, Neon Blue,  Sunset Fire... Selection

Related Articles: Anabantoids/Gouramis & Relatives, Genera Ctenopoma & Microctenopoma, Betta splendens/Siamese Fighting Fish

Related FAQs: Dwarf Gouramis, Dwarf Gourami Identification, Dwarf Gourami Behavior, Dwarf Gourami Compatibility, Dwarf Gourami Systems, Dwarf Gourami Feeding, Dwarf Gourami Disease, Dwarf Gourami Reproduction, & FAQs on: Gouramis 1, Gouramis 2, Gourami Identification, Gourami Behavior, Gourami Compatibility, Gourami Selection, Gourami Systems, Gourami Feeding, Gourami Disease, Gourami Reproduction, Betta splendens/Siamese Fighting Fish,

Buy locally produced stocks only... the vast majority of what is available are imported from the Far East... and don't live. RMF

Excerpted from: Five Almost Perfect Fishes; Great fish for the community aquarium, except for one little thing by Neale Monks   

2                     Dwarf gourami, Colisa lalia 

The good:            Friendly, colourful, and just the right size for the community tank

The bad:              Peculiarly sensitive to bacterial infections 

Few aquarists haven’t tried keeping these fish at some point, and they remain staples of the hobby thanks to their wide availability, bright colours, sweet dispositions, and willingness to take a range of foods including flake and pellets. Numerous artificial forms exist, such as the “red dwarf gourami” that lacks the blue strips typical of the wild morph. However, being widely sold doesn’t mean that are easy to keep, and these fish all too frequently sicken and die within a few months of being purchased. Dwarf gouramis appear to be among the fish most likely to contract bacterial infections if water quality or water chemistry isn’t exactly right. The symptoms are bloody sores on the body and a loss of appetite, and short of veterinarian help (i.e., antibiotics), nothing much seems to help. 

Even with antibiotics, the prognosis isn’t particularly good, and you should definitely never buy dwarf gouramis from a tank containing specimens showing any signs of this type of infection. But even starting off with healthy fish might not help, as some aquarists believe that virtually all commercially-bred dwarf gouramis (and probably other gouramis as well) carry the bacteria, so the issue isn’t keeping the bacteria out of the tank but making sure it doesn’t become a problem. The best approach is to quarantine dwarf gouramis for a few weeks before being adding them to a tank that already contains other, hardier, gouramis. 

It is just as important to make sure that water conditions and filtration are optimal. For the dwarf gourami that means soft, acidic water conditions, preferably filtered through peat and zero levels of nitrite and ammonium. Frequent water changes to keep the nitrates down is a good idea, and using a hood or cover glass at the top of the tank to keep the humidity of the air just above the water level high is also to be recommended. Feeding presents few problems, but what you don’t want to do is introduce anything that might make the fish sick, such as live Tubifex worms. In short, these are quite demanding fish that need a lot of care if they are to succeed in a community tank.

Gourami question 06/15/08
Hi,
And thanks for your support and very informative web site.
I went through a quite to few trouble - try to keep dwarf Gouramis, but never had any luck.
I love that fishes and would like to try again.
Is any of Gouramis ( smaller size is preferable) easy to keep, will tolerate pH 8.1 -8.2 ?
I really would like to have a couple in my 55g.
Thanks
Larissa
<Hello Larissa. Most of the "other" Gouramis will do well in your aquarium. Dwarf Gouramis are uniquely feeble and worth avoiding. If you want something similar to the Dwarf Gourami, both Colisa fasciata (the Banded Gourami) and Colisa labiosus (the Thick-Lipped Gourami) have the same red/blue stripes. Both are in the trade, though not as widely sold as Dwarf Gouramis. The Three-Spot Gourami (Trichogaster trichopterus) is another hardy species, though males can be aggressive. The yellow ("Golden Gourami") and blue ("Blue Gourami") are the two widely traded varieties of this species. Personally I have a great fondness for the Moonlight Gourami (Trichogaster microlepis), a peaceful, all-silver species that looks great in a shady tank with lots of plants. It is very hardy and doesn't become as territorial as the Three-Spot Gourami; on the other hand, it does get a little bigger. All of these would be perfectly at home in a 55 gallon system. I hope this helps, Neale.>

Gourami disease, eggs?  -03/28/08
hi,
I have just got 4 dwarf Gouramis and 2 are the opalescent blue and the other 2 are orange with stripes. my one striped one has a dark brown appearance on its head and at the top to,? and appears to be dull and slimy. and the other one appears to have this too along with a dark blue almost navy stripe near the end of its belly. is this normal or a disease.
<Not normal, and yes, likely a disease. In particular check your symptoms against 'Dwarf Gourami Disease', an extremely common and contagious problem among Colisa lalia imports from Singapore especially.
http://208.112.95.51/FWSubWebIndex/dwfgdis.htm
There is no cure. I would simply advise people NEVER to buy these fish unless from a local breeder.>
and finally the last question I have is my blue Gourami is larger than the rest of the tank mates and has been hanging out at the top of the tank. but I have noticed very small,? white circular things near my heater and every now and then the swollen fish will go up near that part of the tank. what is wrong with my fish and what are these things, are they eggs?
<Impossible to say. Quite possibly eggs, through whether from the Gouramis or something else, e.g., snails, is difficult to say. Gouramis are bubble-nest builders and don't normally stick their eggs to the glass. On the other hand Corydoras catfish and some snails do this all the time. If you think they're eggs, then by all means carefully remove them to a breeding trap and see what happens! Fish eggs tend to be about 1 mm across and small round spheres; snail eggs are usually laid in clumps, often in blobs of jelly about 5 mm or so across.>
thank you
<Next time, please send messages with proper capitalization of sentences! Makes e-mails easier to read, share. Cheers, Neale.>

Dwarf Gourami problem – 03/18/08
Hi.
I have 3 dwarf Gourami's, I took one of them out and put it in a small 1.5 gallon tank as it had a swollen upper body and seems to spend a lot of time at the bottom
<Dwarf Gourami Disease; caused by a virus. Incurable. See here:
http://www.wetwebmedia.com/FWSubWebIndex/dwfgdis.htm
I cannot state this more clearly: People, stop buying these fish!>
The other tank is all out of whack chemically .75ppm No2, 20 ppm No3, 1.00 ammonia and 7.5 PH. I am really new at this and can't figure out what to do.
<Buy a book, read about fishkeeping. Obviously you've added a bunch of fish to an immature aquarium. Nitrite and ammonia at these levels will quickly kill your fish. Start here:
http://www.wetwebmedia.com/FWSubWebIndex/fwlivestk.htm
>
The small tank I set up is 00ppm No2, 5 No3, .15 Ammonia and 7.6 PH. The temp in both is 78. I tried putting in Rid·Ich+ which is supposed to help with a variety of problems.
<Yes, but doesn't "cure" bad fishkeeping. Nor does it help deal with viral infections. The ammonia in here will kill this Gourami even before the virus. Go here to see how to painlessly destroy this fish:
http://www.wetwebmedia.com/euthanasiafaqs.htm
>
I hope I'm not to late as he looks worse and is staying at the bottom. I noticed while in the other tank he did not eat anytime I was watching.
<Doomed.>
Sorry for the anxiety. I just hope to be able to be better at this whole thing.
<You can be, but you have to read. You also need to make sensible decisions. For beginners, buying tanks smaller than 20 gallons is stupid. They're too difficult to maintain and choose stock for. So I'm hoping you have a tank 20 gallons or larger. Next up, you choose hardy fish, not "pretty" fish you pick without research. Dwarf Gouramis for example are among the WORST choices for beginners because they are plagued with disease and weren't even all that hardy in the first place. Danios and peppered Corydoras for example would make much better choices.>
Please help.
<Have done so.>
Thanks. Tina
<Cheers, Neale.>

Re: Dwarf Gourami problem 03/19/2008
Thank you Neale
<You're welcome.>
I really was not properly informed when I was given the tank (70 gallon) I should never have taken it without doing more reading. The people who had it wanted it gone. I have however been reading instead of taking anymore advice from the tank donors.
<Very good!>
The fish that were in it were not my choice.
<I see.>
I am very thankful for the information that you have given. I am glad I came to you for help. I hope that no more fish die because of my lack of knowledge.
<So do I!>
Thanks again and I'm hoping the readings on the tank will clear up soon as I do more water changes.
Tina
<Good luck, and happy fishkeeping! Neale.>

No question, just a thank you... and Colisa lalia sel.  – 10/28/07
Dear Crew,
I am very new to the hobby, starting a 30 gal FW tank about 2 months ago. In doing research before putting the tank together, I stumbled upon your web site and have found it to be extremely informative and helpful. I believe that the reason my fish are happy and healthy can be directly attributed to finding the answers to any questions I had by searching for them and reading your site. I find myself coming here everyday and reading the Daily FAQ's, even if the question doesn't pertain to my particular situation. I have also found many of the articles you have posted very interesting. I can't begin to tell you how much I have learned about keeping fish since I've started visiting your web site.
<Thanks for the kind words, and I'm glad you're enjoying the site.>
So, while I have no question for you today, I would like to extend a huge THANK YOU to all you do for us that love our "wet pets". I have complete confidence that if I ever have a question that can't be answered by a search , I can ask and know that you will offer your knowledge and expert opinion, which I trust emphatically.
<We appreciate you taking the time to pass on these thoughts.>
My little community tank:
7 Red Eye Tetras
2 Dwarf Gouramis
3 Zebra Danios
3 Julii Corys
1 Banjo Catfish
ammonia-0 ppm
nitrite-0 ppm
nitrate-20 ppm
Respectfully yours,
Jennifer
<A nice collection of fish. The only possible problems are the Dwarf Gouramis and the Banjo cat. The Dwarf Gouramis are a fine species if healthy, but the quality of stock is very poor, and a high proportion of specimens from Southeast Asian fish farms are infected with an incurable viral disease. Keep an eye out for this. Optimising water quality and providing a healthy, balanced diet will go some way to ensuring success, but if things do go wrong, don't blame yourself. I personally recommend against Dwarf Gouramis *unless* sourced from a local breeder. Banded Gouramis and Thick-lipped Gouramis are, in my opinion, better bets. Banjo cats are lovely animals, but resolutely nocturnal and often starve to death in home aquaria. So do feed at night time, and do provide a mixed diet not just catfish pellets. Frozen bloodworms and frozen Tubifex are probably the ideal, but small bits of chopped seafood would be useful too. Good luck, Neale>

Dwarf Gourami    1/5/07
Hey Crew,
<Jessica>
I'm sorry if this has already been asked, but I couldn't find the answer to my question.
I have a 29 gallon well planted (plenty of hiding places) aquarium with no fish yet. I want to get some Dwarf Gouramis (Colisa lalia), Dwarf Loaches (Botia sidthimunki), and a school Harlequin Rasbora (Trigonostigma heteromorpha).
<A nice mix>
I would like to have as many of the male Gourami as possible because they're the most colorful. How many of these Dwarf Gourami could I have in my aquarium without increased fighting due to lack of territory space?
<Mmm, likely six... perhaps two males, four females...>
Or if necessary, how many females would I need to keep also to decrease fighting?
<A few more than the males>
Also, will the smaller Rasboras be eaten??
<Not unless they were much smaller, no>
Or are they ok to go with Dwarf Gouramis?
<Highly unlikely>
Thank you,
Erin
<Welcome. Bob Fenner>

Neon Blue Dwarf Gourami
I will setting up a 15 gal tank and plan on having neon blue dwarf Gouramis in it and was wondering how many I should have.  I know that the Gouramis are very territorial in nature and should I plan to put only 5 or 6 in them.  I will have a lot of hiding places and will solve the problem of them beginning territorial.
<These are called "Dwarf Gouramis" but they can still get 2-3 inches long so even 5 or 6 is probably too many. The blues do tend to be one of the least aggressive but in a 15 gallon tank, no more than 3 or 4 is recommended. Ronni>

Gouramis In A Group
Dear Anthony (just a wild guess here),
<Oops- Anthony's cheerful(?) colleague- Scott F. here>
My 30 gallon freshwater tank finished cycling almost 3 weeks ago.  It now houses 3 platys, 1 balloon molly, and one female Betta.  pH is 7.8, temp is 79 F, ammonia, nitrite, and nitrate are 0.  By choice I have only artificial plants.  I would like to add two male dwarf Gouramis - are the Gouramis a good choice?
<Dwarf Gouramis are among the most peaceful of all fishes-great choice for a mellow community aquarium.>
Will two males live together peacefully (I want two males because they are prettier than the females and I'm not interested in having the Gouramis reproduce)?
<Well, in my experience, it's better to keep these fishes in small groups, like 2 females and 1 male, or 3 females and two males. Keeping two males together seems to result in one harassing the other into submission, in my experience. There also might be some occasional aggression between the Betta and your Gouramis.>
I've read they like plants floating on the surface - I'd rather not have this (even artificial ones).  Will they be miserable without that?
<No- they should be fine. In nature (and in the aquarium), they often rely on floating plants to provide an area for building their nests and depositing eggs. They appreciate the cover, but it is certainly not necessary to have floating plants for these fishes.>
Should I add some aquarium salt to the water?  How much?  What brand?
<Personally, I'd skip the salt>
I thought I'd also get 2 or 3 Corydoras sterbai as scavengers -  are they suitable tankmates for this group?
<sure- these are great fish in their own right!>
I would not plan to get the new additions all at once.
<Good plan-build up your population slowly>
Thought I'd start with the Gouramis if you give me the go ahead.  Any thoughts would be appreciated.
<With the above caveats, I'd say that they would make great additions to your tank! Good luck! Regards, Scott F>
Judy

 



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