Yellow Tang acting strangely

Eleni18 · Jun 21, 2020

Hi all. It's been 2-3 days now that my yellow tang is not its usual self. It is hiding in a rock most of the day, not even coming out to eat. All the other fish seem OK, water parameters are all normal (tested yesterday) and there seems nothing else wrong with him. I've had him for about 4 months and he is the largest fish in the tank so no chance of bullying.

Coralreefer1 · Jun 21, 2020

Is it displaying the normal bright yellow color or a dull color? Have you added any fish lately? Have you moved your rock work around? Does it look healthy? Fins, eyes, skin and does it show signs of stomach issue or getting thinner?

Eleni18 · Jun 21, 2020

It looks fine. Bright yellow, fins and skin OK, no new fish recently, no changes except for a water change 2 days ago. But it hides and barely eats in the past 2 days. I pointed one of the wavemakers towards the surface more to help oxygenate the water more

Coralreefer1 · Jun 21, 2020

What food are you feeding your Tang?

Eleni18 · Jun 21, 2020

Coralreefer1 said:
What food are you feeding your Tang?

I feed all of them twice daily. Flakes, pellets or spirulina green algae flakes in the morning and a frozen cube in the evening

Uncle99 · Jun 21, 2020

Mine does this behavior every 4-6 months, hides, does not eat, goes on for about a week, then, all of a sudden, back to normal.

I have no idea what this is, mine has had three separate instances of this weirdness.

Texas Rick · Jun 21, 2020

Tangs have some very strange behavior. I have a blue hippo tang. And it scares all the rest of the fish. When i do water changes, i see it goes into hiding, which i see normal. because it is stress or scared. when i start to feed them. they will hide, until it sees the pellets or frozen food, it will come out and feed. i could be passing by the tank, it will go into hiding. I have to be still for it to come out when I'm observing my tank. When i start to move, it will start to act scared. It will go into hiding. I don't know why, I've only had it for about over a year. Sometimes it wont come out for a few hours. But everybody else is ok.