Clownfish losing color rapidly, breathing heavy, sinking to bottom of tank and laying on side. Advice needed ASAP

[melissavictoria84]

It's just the 2 clowns in the tank. The other clown has gotten extremely aggressive over the last few days and keeps attacking and chasing her. They've been together for 2 years now without any aggression like this.

What ended up happening. We’re experiencing this same situation

 

[WallyB]

What ended up happening. We’re experiencing this same situation

You too eh?
My pair of Picasso Clowns were inseperable for at least 1.5-2 years.
Lately the Larger Clown (which is the Female), just won't leave my Smaller Male Alone.
(That's how it happens. The Larger Clown will become a female).
When I feed, the Female is more interested to make sure the Male can't eat rather than eatting herself. What a bully.
I caught the Male to give him a break. Still in tank but an Isolation Box.
They come to each other looking thru the plexy glass. Both of them. Like the want to fight. Smaller Male too.
They are not fighting to death, just fighting. They take breaks between the fights.
Guess they both enjoy the dominance establiishing game.
I'll give them a couple days apart, and try again.
Next time, I'll try to Catch the Female for a Box Timeout.