sex,age, aggression gourami

downerbeautiful

I have a gold gourami (GG); I'm positive it's female. Gold is older/larger then Blue Gourami (BG), who I believe is male.

GG chases BG around all the time. Could she be wanting to spawn when he is unable to? Is there another factor I'm missing?

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GwenInNM

I don't think signs of spawning, include aggression displays, but I don't know about this.

I did not have luck putting a male and female BG together - male chased her and caused her great stress. It looks like your BG is a male, can't tell about your gold. What makes you think it's a female? Females have a more rounded top dorsal fin than males. Some people have success in keeping a m/f pair together one in a tank, but they are solitary fish, and do not need to be kept in a group. Male/male will not work.

If they don't feel they have enough space to get away from each other, and establish their territory, that may be the cause of the chasing.
The GG could be chasing the BB if he is sick etc and vulnerable.
Perhaps you could put in some aquascape that would break up their line of sight from the other. Watch for signs that the BG isn't stressed, by this aggression, or you will lose him.

Gwen

downerbeautiful

I believe she's female because her fins are short and round, plus she has a swollen abdomen.

I have aquascaping that breaks up territory, too. BG's fins aren't damaged, but he's always on the run. What does a stressed BG look like?

GwenInNM

Well, a darker color can be indicator of stress. Hanging out at the top, gasping for air, hiding as much as possible, such as near/behind the heater etc., or where they feel they can be not seen.

Gwen