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rare disease on chromis
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invertmaniac
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Joined: 22 Dec 2006
Location: Wheaton IL

PostPosted: 2007.01.21(Sun)11:46    Post subject: rare disease on chromis Reply with quote

we recently purchased 2 green chromis and 1 blue. the 1st green one died of a supposed rare disease. it had a few red streaks down its scale lines and some scales were flaking off. it died 2 days after we bought it. then, the blue one got eatin by an anemone( HOLY CRAP! he was big to!) so we bought three smaller green chromis. we now have 4 green chromis and the one from the 1st batch is still alive. but now he caught the same disease, we tried treating the tank but it didn't prevent anything. will this kill all our fish?

our tank is a 75 gal reef with: anemone and clown, 2 damsels, yellow tang, sleeper goby, 6 lined wrasse, and now 4 green chromis. probly overstocked b/c my dads an idiot
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invertmaniac
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Joined: 22 Dec 2006
Location: Wheaton IL

PostPosted: 2007.01.21(Sun)11:52    Post subject: Reply with quote

o, and I forgot to list we have 3 cleaner shrimp, 2 serpant and 1 brittle star. and like 12 hermies and 5 turbo snails. not to mention wats flaked off the live rock. so we do have some sort of cleanup crew, its not just over stocked with fish, but inverts too
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invertmaniac
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Joined: 22 Dec 2006
Location: Wheaton IL

PostPosted: 2007.01.24(Wed)17:10    Post subject: Reply with quote

we bought 5 chromis in total over a period of 1 week. from 2 different pet shops. both trusted, familiar pet stores. now all the chromis (3 left) have red bursting from where their fins connect to the body and they all have big white, furry blobs on fins and back. WTF IS THIS??!! it only effects our chromis. HELP!
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Osprey
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Joined: 15 May 2006
Location: Okotoks, AB

PostPosted: 2007.01.24(Wed)18:14    Post subject: Reply with quote

Might want to get a mod to move this to the Saltwater forum; you'll probably find more informed people there. We need to know you're water parameters! What are the SG, pH, ammonia, nitrite, nitrate, and temperature reading at? Were these fish quarantined? It's possible they came in with a disease and your other fish haven't succombed because they weren't stressed from travel.
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FloridaBoy
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Joined: 04 Jul 2004

PostPosted: 2007.01.25(Thu)8:43    Post subject: Reply with quote

Could be a virus infection such as Lymphocystis, or another problem related to the water quality in the over-crowded system.

Indeed, get your water tested and make sure they check the pH and nitrate, let me know what they say. Second step is to start making a series of 20% weekly water changes. Don't add any more fish, the system is full and you have plenty to worry about now. More info from my archives below on mystery diseases...



___________________________________________________
Mystery Disease, Sores, Ulcers etc.

Two scenarios:

1. The fish has an infection of some sort
Avoid dumping a lot of strong medications in your main display.
You need to remove it to a quarantine/hospital tank and treat it there; observe for a few days if it gets worse you may need a freshwater/methylene blue dip or some antibiotics but post a photo if possible, and try moving it to your QT first and see if daily water changes help before using any medications. Sometimes a disease on a single fish is actually a wound that needs to heal. Parasites such as ich are easily controlled, however success rates with serious viral or bacterial infections is low for the average hobbyist, and the animal is often doomed. The best way to deal with marine fish "diseases" is prevention via quarantine, good water and diet, this cannot be understated. Keep an eye on the other fish in your display.

2. Environmental issues
In this case, there may be something in the water chemistry that is causing the problem. Sometimes only one sensitive species will succumb first, or several fish show symptoms at the same time. Other times the fish will slowly die one by one, leading the hobbyist to believe there is a strange, insidious "disease" making its way through their livestock. Many times, indeed MOST times, the so-called "mystery diseases," including burns, open sores, ulcers, red patches, ragged fins, etc. are actually a result of bad husbandry including simple issues like a tank that was never properly cycled, (new tank syndrome), or an aging system that is over populated with dropping pH/rising organics and slowly moving torward a crash (old tank syndrome). Have ALL your water parameters checked by your LFS, including pH, Ammonia, Nitrite and Nitrate. Don't trust a 2 year old test kit. If you suspect your water quality may be causing your livestock to "break down," make some water changes if required, adjust filtration, add more filtration like a skimmer and/or reduce biomass (remove some animals) to bring your system into balance.
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