A Dwarf Gourami Mini F A Q

Metka

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Blue gourami are not dwarfs. Blue gourami are a three-spot gourami variant.
You can have 3 if you want, or 4, but the more you have the less aggressive behaviour will affect one individual fish, as it will be spread out among the group. You should still try and get at least 2 females to 1 male ratio.
 

JezTaylor

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Thanks for this. I've been looking to get a pair of Dwarf Gouramis so it was certainly useful.
 
Coming back on to the point about pairs, I only have a 64 litre tank so there's not a huge amount of room for the female to get some space. Would you say it's better to have a male by himself? Also, what about putting a pair of females together? Is the reason this isn't so common because the males are more colourful?

With regards to different varieties... my LFS has some labelled "red neon drawf gouramis" and some labelled "sky blue dwarf gouramis". Is colour going to be the only difference here? In other words, if I got one of each, would they behave as a pair?
 
Thanks
 

JezTaylor

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I'm gutted. Last week I noticed a pink mark next to my Dwarf Gourami's mouth. I've had him for nearly three months and he's still his usual active self and still has his appetite, but presumably it's the disease you've all mentioned. I'm going to treat the water with Melafix just in case it's a bacterial infection... but doesn't look good 
 

TwoTankAmin

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So an old thread still going. I was too lazy to read it all. I did read the incorrect statement in the original post about myobacterium being mostly in sw fish.
 
Is this the same as Fish TB?

Though the external symptoms are similar to Fish TB, the problem with dwarf gouramis is caused by a completely different bacterium. Fish TB being primarily an issue with marine fish, not freshwater ones.

Fish TB is known to infect humans (albeit very rarely), but the dwarf gourami sickness, whatever it is, poses no known risk to humans. However, it is a good idea to wash your hands after handling sick fish, or for that matter anytime after you have worked in your aquarium.
 
This simply is not true:
 
Abstract
Mycobacteriosis in fish is a chronic progressive ubiquitous disease caused by Mycobacterium marinum, M. gordonae and M. fortuitum in most cases. The aim of this study was to describe the morphology and distribution of lesions in 322 freshwater ornamental fish across 36 species.
from http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2761.2010.01202.x/abstract;jsessionid=97F11328BB10D75CEEE0879A8F1F2F92.d02t01?systemMessage=Wiley+Online+Library+will+be+unavailable+for+approximately+4+hours+between+09%3A00+EDT+and+14%3A00+EDT+on+Saturday%2C+28+September+2013+as+we+make+upgrades+to+improve+our+services+to+you.+There+will+also+be+some+delays+to+online+publishing+between+25+to+28+September+2013.+We+apologize+for+the+inconvenience+and+appreciate+your+patience.+Thank+you+for+using+Wiley+Online+Library!&userIsAuthenticated=false&deniedAccessCustomisedMessage=
 
So mycobacterium isn't found in gouramis? Think again:
 

Abstract
Thirty-five aquarium fish were investigated for the presence of mycobacteria by culture and molecular methods. The following species were examined: goldfish Carassius auratus auratus, guppy Poecilia reticulata, 4 three-spot gourami Trichogaster trichopterus, dwarf gourami Colisa lalia, Siamese fighting fish Betta splendens, freshwater angelfish Pterophyllum scalare, African cichlid fish Cichlidae spp., cichlid fish Microgeophagus altispinosus, cichlid fish Pseudotropheus lombardoi, blue streak hap Labidochromis caeruleus, sterlet Acipenser ruthenus, southern platyfish Xiphophorus maculatus, and catfish Corydoras spp. Isolates of mycobacteria were obtained in 29 cases (82.9%).
from http://www.cabdirect.org/abstracts/20053094559.html;jsessionid=0CDF1A8FAD455A98EFFC7F68D06D2690
 
And finally, not science, just a well well respected site:
 
Dwarf Gouramis are known carriers of Mycobacteria infections, and while not apparently dangerous to humans, at least some of these fish-borne Mycobacteria strains can cause unsightly and uncomfortable rashes.
from http://www.wetwebmedia.com/fwsubwebindex/dwfgbeh.htm
 
It is so easy to roll off statements of "fact" without really having any clue about them other than one is repeating something they saw posted some place. Finally, there are different strains of mycobacteria.
 
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