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Discussion Starter #1
I have 2 gold gouramis, 2 glowlight tetras, and 1 ****** loach. I have had the first 4 for about 2 weeks, and the loach for almost 1 week.When I got my gold gouramis, they were both bright yellow and the exact same size (I bought them small), I do not know their genders at all.

My gouramis always chase each other, and about 2 days ago I noticed one looking darker on top, almost like it was dirty (like a mottled brownish color) and on top of that, last night and this morning I noticed that it was quite a bit bigger and fatter than the other one and way more aggressive. The bigger, darker one is great to the tetras and loach, but aggressively chases the other if it gets too close. It is still eating and actively swimming, so I do not think it is sick, but I have no idea what this means or what could be wrong.

What does the color change, agressiveness, and fatness mean????
 

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I had two gold ones, one big and with dark markings (how I got it), the other pretty solid gold.

Took them back.

The darker one was mondo aggressive. From the very instant they hit the tank. I have heavily planted tank, and the darker. big one would hunt the other one down. Too much for me.

Good Luck.

jcinnb
 

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Discussion Starter #3
I made a call to the shop and the guy said it is most likely that they are a mating pair, and that the big dark one is the female.

Now I could have up to 1,000 eggs and have no idea how to take care of them.
 

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Gold Gourami will develop a darker, mottled appearance as they mature. The male has a longer, pointier dorsal fin and the females dorsal fin is smaller and more rounded. It's sometimes hard to tell when they are very young and their fins havn't fully developed yet. How big are your fish? Also, how big is your tank?

Here's some pics I got off the web. Hope this help.
This first pic is a male, the second pic is female:
 

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Discussion Starter #5
Thanks!

My tank is about a 30-35 gallon hexagonal tank. My parents got it before I was born and took it down when I was about 6 or 7. I took it out and worked on everything a few months ago and finally got my gouramis and tetras 2 weeks ago and my loach last thursday. My boyfriend got it for me cause he knew I had a ****** loach when I was little and that it was my favorite fish. :D

Hmmm I bought my gold gouramis kinda small, but one all of a sudden got almost twice as large within the last two days.
 

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Well, keep an eye on them. They can be bullies, especially if you have 2 males. You may have to re-home one if it gets picked on constantly.
 

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Discussion Starter #7
Hmm...the guy at the store says it's cause they're a mating pair and that I should get them some plants so they will fight less and build their bubble nest.
 

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Well if you can put a few plants in, plastic are fine and maybe a pot or rock, something to allow them to get away and out of sight of each other for a rest, while you figure out if you do in fact have a male and a female and not 2 males... would be a very good idea. Then once you havedone what the store suggests and provided more cover, they will either continue to harrass each other, (2 males) as jeaninel suggests, or they will begin their bubble nest. (m/f). You must keep an eye on them and if the one continues to bully the other, then take the bully back to the store and try to get a female. Otherwise the timid harassed one will not be able to settle down, rest or eat and will likely die. So putting in plants is an easy thing to try. Study the pics jeaninel posted and see if you can figure out what you have in your tank. Good luck.
 

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Discussion Starter #9
I have and I don't think the fins have fully developed as they are young. The store guy says the bigger darker one is the female due to lack of color brightness, but on here it says the small brighter one is female and the big dark one is male. I'm sooo confused!!!

Both eat plenty and roam around quite actively.
 

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Yes it can be very confusing just keep in mind that both birds and fish have the male brighter, more colourful, and the female duller, darker to hide with her nest or young. The size is going to depend on their age and even tho we might buy them at the same time from the same tank they may not be from the same brood, so you can't tell their age and therefore where they are in their growth. I pulled this from the Honey Gourami profile: It is discribed below but shows a pic and to me the male is both darker and more colourful.
Females are slightly larger than males in this species, and usually exhibit a brown stripe along the side; males are the more colourful, taking on quite spectacular colouration in spawning condition.

Read more: Honey Gourami (Trichogaster chuna) Profile

Keep in mind too if one is getting more of the food than the timid one it will grow bigger quickly.
Hope this helps.
 

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Discussion Starter #11
Yea, the smaller one is super bright yellow and shiny and swims up to me when I walk over and still eats quite a bit. The big dark one is eating way more now, and I have no idea if it's due to the increase in size (wich occurred over the span of 1-2 days and it almost doubled in size it seems) or if it is egg laden.
 

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Discussion Starter #12
I can't figure out the genders, I don't know if the fins are developed or not...What if it's 2 females?
 

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If it's two females there's a bit more of a chance they'll tolerate each other. But you may still get a female bully. Someone on the forum had 2 female gouramis and one was a big bully. I think they ended up returning one to the LFS. How are they getting along now? Is one still being harassed?
 

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Discussion Starter #14
There was one point where the big one tried chasing and bothering/attacking the little yellow one for like 20 minutes and then mellowed out a bit. But it still does it quite a bit.
 
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