South American Cichlids • Moonlight lighting cuase aggression in Oscars?!?

Discussion regarding only South American Cichlid species. (Oscars, Geophagines, Discus, Apistogramma, Green Terrors, Angels, Severums, Pikes, etc.)

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Moonlight lighting cuase aggression in Oscars?!?

Postby 1020thirty » Mon Jul 05, 2021 9:13 pm

So recently I have had a problem with aggression with my pair of tiger and albino oscars and have made a weird discovery. I have noticed that my tiger will only attack the other Oscar when the light goes into it’s night cycle and the moonlight function turns on. I have watched them closely on different modes like sunlight and not on at all and there is no sign of aggression or any attacks but as soon as I put the moonlight one on my tiger not 2 mins later decides that it’s fight night. Any thoughts on this? Could it be a different factor?
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Re: Moonlight lighting cuase aggression in Oscars?!?

Postby bernahoff » Wed Jul 21, 2021 4:05 am

It would be nice if someone has any answer to this. I am interested too.
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Re: Moonlight lighting cuase aggression in Oscars?!?

Postby sir_keith » Wed Jul 21, 2021 9:59 am

There re lots of behaviours in fishes that occur primarily during twilight, both in the wild and in captivity. :thumb:
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