Aggressive fish

[vayne]

Hello everyone. I wanted to ask why is it that suddenly my bigger clownfish turned against me? I thought they were peaceful fish.

Usually I do my water changes bi-weekly, and I have this pair of clownfish since september 2023. They were usually afraid as soon as my arm was inside the tank, but suddenly today I cannot even touch the water the big girl comes and tries to take a piece of my arm.

 

[mues]

Female clowns especially are very territorial. Very very common

 

[Sharkbait19]

Sounds like your average clownfish lol
As she matures, she’s getting aggressive. The black morphs also seem to be meaner.
They are anything but a peaceful fish - I’ve basically given up putting my arm in the tank with my female unless I really have to.

 

[vayne]

Thank you guys.

I also had another question, why is my big Clownfish twitching always close to the small one, is it like a mating dance or something? I always get surprised by their behaviour.

 

[Sharkbait19]

It’s part of pairing behavior - it can be seen in both aggression and breeding displays.

 

[littlefoxx]

Hello everyone. I wanted to ask why is it that suddenly my bigger clownfish turned against me? I thought they were peaceful fish.

Usually I do my water changes bi-weekly, and I have this pair of clownfish since september 2023. They were usually afraid as soon as my arm was inside the tank, but suddenly today I cannot even touch the water the big girl comes and tries to take a piece of my arm.

Yes normal, had one that drew blood all the time. Also do you see any eggs?

 

[littlefoxx]

Thank you guys.

I also had another question, why is my big Clownfish twitching always close to the small one, is it like a mating dance or something? I always get surprised by their behaviour.

Yes mating!

 

[vayne]

Thank you everyone!

A bit unralated but what kind of algae is this on my rocks? Should I address it with maybe snails or a fish that can eat it?

 

[vayne]

My cleaning crew is actually composed of two big Astrae Snails, one Nassarius snail and a Cleaner Shrimp. I used to have Hermits but they were munching on my torch, and I caught them red-handed.

 

[vayne]

Yes normal, had one that drew blood all the time. Also do you see any eggs?

I do see some white spots on my glass I can take a better photo tomorrow.

 

[Sharkbait19]

I do see some white spots on my glass I can take a better photo tomorrow.

White spots on the glass is going to be either snail eggs or spirobid worms.
As for the algae, it could be cyano. How easily does it come off?

 

[littlefoxx]

I do see some white spots on my glass I can take a better photo tomorrow.

Agree with shark bait, those wouldnt be eggs. Sometimes they get super aggressive like that with eggs