Fish “slapping” the rocks

[mnofziger1]

I’ve noticed some very strange behavior from my royal gramma and new yellow tang lately. They will swim by rocks and “slap” the rock with their bodies/fins. I noticed the tang do it last night and the royal today. I did a routine water change yesterday. I’ll try to post my royal video but I’ve had terrible luck with that on R2R. Any help on video posting would be appreciated as well
Thoughts?

 

[PokeFish]

hmmm. very interesting lol

 

[mnofziger1]

hmmm. very interesting lol

I really wish the video would come through - it’s very strange.

 

[PokeFish]

I really wish the video would come through - it’s very strange.

the video worked for me

 

[Hugh Mann]

To me, that looks kind of like the fish is flashing. Typically indicates something, usually ich, is irritating the fish's skin or gills.

 

[Joe31415]

Doesn't work for me, but if you go to you tube and look up "fish flashing" or something along those lines, I think you'll find results similar to what you're seeing.

 

[Sam816]

I really wish the video would come through - it’s very strange.

Right click and 'download link' or 'save link' to download nnwatch the vid. It's worth the effort though

 

[IKD]

Looks like flashing to me also

 

[Joe31415]

Right click and 'download link' or 'save link' to download nnwatch the vid. It's worth the effort though

I tried that. My computer's media player wanted 99¢ for a codec. I assume that's why I can't play it in firefox either.
edit: or IE or Chrome

 

[Sam816]

I tried that. My computer's media player wanted 99¢ for a codec. I assume that's why I can't play it in firefox either.
edit: or IE or Chrome

Get vlc player. Or try on your phone.

 

[mnofziger1]

Doesn't work for me, but if you go to you tube and look up "fish flashing" or something along those lines, I think you'll find results similar to what you're seeing.

Excellent. Thank you. Any experience with this? Is there any drawback if I treat and that is not the problem?

 

[Hugh Mann]

Excellent. Thank you. Any experience with this? Is there any drawback if I treat and that is not the problem?

First would be determining the cause of the flashing, as there's many reasons for a fish to do it. Otherwise treating, unless you went through a whole quarantine type regimine, would be just shooting into the dark, so to speak.

I don't know all the things that would cause flashing, but a common cause would be ich, velvet and flukes with ich being the most common, but all having similar treatments, so to answer your question about would treating your fish for it even if if it's not the problem harm it, yes and no. I've read a few anecdotes about copper based treatments reducing the lifespan of some fish, as well as improper dosing can also harm fish. There's other methods, like hyposalinity and tank transfer method that are pretty safe for fish. However, the problem would be to do it properly, you'd have to do it to all your fish, and keep them out of your display for 76 days for ich, 45 for Velvet.

When did you add the fish to the tank?
Same question for the other fish.
Did you quarantine them?
Did you quarantine any and all invertebrates and coral?
Are they displaying any other symptoms, spots, sensitivity to light, swimming into areas of flow, anything like that?

 

[1guydude]

If you fish is rubbing himself on the rock or looking like they are trying to flick something off of them onto the rock than its probably disease as said. Ich. Or other fish gil disease. Watch for fin rot or white spots. Black gil dot marks. Somethings. Hths
D

 

[Biff0rz]

Also, feed the tang, he's skinny as all heck

 

[Woodchip]

I’ve noticed some very strange behavior from my royal gramma and new yellow tang lately. They will swim by rocks and “slap” the rock with their bodies/fins. I noticed the tang do it last night and the royal today. I did a routine water change yesterday. I’ll try to post my royal video but I’ve had terrible luck with that on R2R. Any help on video posting would be appreciated as well
Thoughts?

If you tap and hold the video then hit download linked file and tap in the blue arrow by the search bar you can watch the video

 

[1guydude]

Am i watching the correct generic r2r video or is their a home video of the actual fish?
D

 

[Hincapiej4]

That's flashing.

 

[Hincapiej4]

That tang is on deaths door...way too skinny. If it gets sick, ain't gonna take long.

 

[Hincapiej4]

Get some nori...it's gonna devour it.

 

[Bepis]

A. Feed tang
B. That looks like itching/flashing usually a sign of the Protozoa marine Velvet or Ich... do you qt your fish, do you have a qt setup
C. Besides the tang being famished as balls is there any sign of disease for ex. Black spots on fish, white spots, excess slime or jagged/cut fins???!!