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Strange Splotches on Black Finned Shark
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theboomboomcars
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Joined: 31 Dec 2006

PostPosted: 2007.01.21(Sun)17:46    Post subject: Strange Splotches on Black Finned Shark Reply with quote

I have had 3 Black Finned Sharks since November and one of them hasn't grown at all. He used to be the biggest but now he is the smallest one. He has white splotches on him and he flashes a lot. I have tried every parasite and fugus treatment I have available to me and nothing seems to do anything. I also have 1 tsp per gallon of salt in the tank, and have maintained that for most of the time I have had the sharks. We have not put any chemicals in the tank for about a month now, and we do weekly 25% water changes, using Aquasafe for conditioner.

pH- 8.0
Ammonia- 0
Nitritie- 0
Nitrate- 5ppm (It has remained steady at 5 since the tank cycled.)
Temp- 25 C
Tank Size- 55 gallons (for population please see profile.)
Food Type: Flakes twice a day, brine shrimp occasionally.

All the other fish in the tank seem to be fine, except my large pleco, which also has white splotches on him, but he doesn't flash, though he is a very active pleco, swimming all over the place, and up and down the sides, with his nose against the glass.

The Shark will also sometimes stop swimming and sink to the bottom, then start swimming again. He is also black all of the time instead of silver.

Any suggestions on what may be irritating my shark?

Thank you.

Here is a picture of my shark.


eta: Temp, tank size, food type and water conditioner,
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Cathy G
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Joined: 27 Jan 2006
Location: Wisconsin

PostPosted: 2007.01.22(Mon)10:48    Post subject: Reply with quote

Does it look like it is raised off the surface at all?

What exactly have you treated the tank with?

Can you tell if his slime coat is thicker there?

Cathy
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theboomboomcars
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Joined: 31 Dec 2006

PostPosted: 2007.01.22(Mon)11:34    Post subject: Reply with quote

Cathy G wrote:
Does it look like it is raised off the surface at all?

What exactly have you treated the tank with?

Can you tell if his slime coat is thicker there?

Cathy


I does look like it is raised off the surface.

I'll have to go through my medicine cabinet when I get home to put everything in.

I don't know how to tell what the slime coat looks like.
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Cathy G
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Joined: 27 Jan 2006
Location: Wisconsin

PostPosted: 2007.01.22(Mon)13:39    Post subject: Reply with quote

I'll wait to see what you have tried...
As to the slime coat, I guess the best way to describe it is a thicker greyish coating.
I await your medicine chest inventory.
Cathy
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theboomboomcars
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Joined: 31 Dec 2006

PostPosted: 2007.01.22(Mon)18:10    Post subject: Reply with quote

I have used:
Jungle Ick Clear and Fungus Clear (tablets)
Jungle Ick Guiard (liquid)
Kordon Prevent Ich
Kordon Ich Attack

It seems like there was one other that I tried but I don't have any left and I can't remember what it is.

With each of these I followed the instructions and waited a week with no treatments before trying another.

Thanks for the help.
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Cathy G
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Joined: 27 Jan 2006
Location: Wisconsin

PostPosted: 2007.01.22(Mon)18:20    Post subject: Reply with quote

Sounds like you have been treating for ich and not any other kind of external parasite...

So, do a very good gravel vac and a huge water change. Here is a link to a fish doctor I highly recommend - Charles Harrison.

http://www.inkmkr.com/Fish/

Scroll down the page and look for Flubendazole. I think you should try that. I'll have to email him for the powder and he has great instructions on how to use it.

Until you get the stuff, keep your tank really clean. When you email him, mention the symptoms and possibly he'd like to see the pic. He might want you to try something else...

Good luck,
Cathy
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theboomboomcars
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Joined: 31 Dec 2006

PostPosted: 2007.01.27(Sat)23:30    Post subject: Reply with quote

I got some parasite stuff and increased the salinity of the tank and his splotches seem to have gone away. He is swimming and seeming happy again.

Although one of the bigger ones is now flashing a bit, sometimes he'll flash up at the top of the tank and leave the water. The only thing visually wrong with him is his head is black. Maybe he didn't like the parasite stuff, I don't know. I'll have to watch him for the next couple of days and see if anything changes.

Thanks for the help.
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krt
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Joined: 21 Nov 2006
Location: bedford, virginia

PostPosted: 2007.01.28(Sun)10:44    Post subject: Reply with quote

is it possble that the shark is hiding too close to the heater? I had similar spots on a catfish once... I'm pretty sure he burned himself
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theboomboomcars
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Joined: 31 Dec 2006

PostPosted: 2007.01.28(Sun)15:44    Post subject: Reply with quote

No they hang out in a cave most of the time, and really don't spend much time next to the heater. Although they will swim over it every now and again.
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