The golden gourami is just a color variation of the blue or 3 spot gourami and they are known to go after smaller tetras and eat them.

Chances are better that the gourami will end up killing the guppies one at a time as they invade his territory. Female fancy guppies would stand the better chance than the males because they have better swimming ability due to fin sizes. Dwarf gouramis are aggressive and extremely territorial, and very good swimmers.

Don’t forget though, that gouramis will eat baby guppies. So, in case you are planning to breed guppies, you might not want to keep guppies together with other fish species.

No it shouldnt eat the neons, Ive never heard or seen that before. Gouramis are usually kept with tetras, I have one in with some smaller fish and it doesnt bother them.

Neon tetras do well in a community tank, as long as tankmates are not large or aggressive. They get along well with all sorts of other peaceful fish, such as rasboras, danios, gouramis, and other small tetras as well as the corys and other small catfish.

Gouramis Behavior/Compatibility Male gouramis have a tendency to be aggressive towards each other, so they should typically be kept individually. Female gouramis usually tolerate each other well.

Dwarf gouramis typically lie on their side at the bottom due to a swim bladder disease, secondary to constipation, infections, or inadequate temperature. However, gouramis may also stay at the bottom when they are relatively old or accidentally overfed. In some cases, the fish is merely sleeping.

Top 5 Peaceful Gouramis for a Community Tank

1. 1. Female Powder Blue Gourami. Dwarf gouramis (Trichogaster lalius) are one of the most popular gouramis you see at pet stores.
2. Pearl Gourami.
3. Chocolate Gourami.
4. Sparkling Gourami.
5. Honey Gourami.

Opaline Gourami’s are aggressive to their own, more often than not. You don’t say how big your tank is. I would guess anything less than a 50 gal, may be too small for 2 Gourami’s together. You do need to get the smaller one out of the tank, because eventually she will die with the stress the other is causing.

Do Gouramis do better in pairs? If in a pair the two fish will swim together. … They should not be kept with large, aggressive fish, but are compatible with other small, peaceful fish as well as fellow gouramis.

In my experience with gouramis they have to establish a pecking order and until then there will be a lot of bickering between the two of them. So give them a few days and as long as their not trying to kill each other they should be fine.

two male gouramis of any species will wrestle. i would recommend a 4′ tank minimum, but if your 3′ is planted with lots of blind spots you might try.

Siamese fighting fish: 2 – 5 years