Emergency!!!! I left my fish in the dark

[Aquaboi]

I turned off my light for my tank and when i got home and turned it on, most of fish are on the sand and some are swimming downwards and they wont eat! Whats going on?

[Jlsardina]

Originally Posted by Aquaboi

I turned off my light for my tank and when i got home and turned it on, most of fish are on the sand and some are swimming downwards and they wont eat! Whats going on?

Test your water parameters. Also- see if any equipment malfunctioned

[Sharkbait54]

Are they asleep?

[Aquaboi]

Yeah 3 of them are back to swiming around but one is still swimming down

[Aquaboi]

One of my yellowtail dameselfish turned black and died this morning

[Sniperhank]

Can't be a lighting issue. Damsels are pretty hard to kill.

[Aquaboi]

Maybe my tank is contaminated

[crister13]

Damsels are really tuff. Has to be something else.

[crister13]

And what are your params?

[Aquaboi]

What do you mean by params??? Also i noticed it had 2 white looking gashes on her, ima upload the pic and tell me what u guys think.

[needmorecowbell]

nitrates ammonia nitrites are the main ones. is your tank cycled? im guessing you dont know because youre not sure of your params.

[Aquaboi]

Ok i posted the pic on my profile

[Maxkolbe]

I know If you just wake up your fish they can be really groggy and not eat, just happened when I tried to wake up my betta to feed him after lights out. I remember reading somewhere that the fish isn't fully active until about 30 minutes after the lights turned on so there's probably nothing to worry about.

[crister13]

His fish already died.

[Sergie]

That pic of the damsel looks like he has fin rot or is getting attacked by something.

[Aquaboi]

Yeah hes dead now, but yeah idk maybe she got gashed by a rock or my crabs got at her.