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Injury or Disease? - Please Help! (1 Viewer)

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SCUBAFreaky

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I received four new fish from Live Aquaria on Thursday. Even though I introduced the fish with the lights off, my 2 damsels (Bonnie and Clyde) beat the crude out of all of the new comers for a few hours. By Friday, the damsels had stopped doing that and accepted the new inhabitants. I was doing tank maintenance this morning and noticed this spot on my new mandarin. First question, is this disease or an injury?

20200913_121926.jpg

Note: I run a UV sterilizer sized for my 72g tank (15 watt). I have the flow rate set up to treat pathogens. The recommended flow by the OEM for this treatment philosophy is 233 gph. With a dedicated pump of 750 gph I'm still only getting 205 gph through the sterilizer.

If this is a disease, I'm actually headed to FJW in an hour so if I need to grab some treatment meds, I really kinda need to know ASAP what to get and how to treat this guy.

Thanks in advance!
 

PicassoClown

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Looks to me like an injury. Make sure you’ve got plenty of pods and that it’s eating well. I believe mandarins are poisonous so monitor the damsels for signs of being poisoned. She should heal up okay as long as her caloric intake stays okay. Your LA shipment came in on time and healthy? I’ve been seeing worrying things on R2R about live aquaria lately and thus have been delaying an order.
 
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SCUBAFreaky

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Looks to me like an injury. Make sure you’ve got plenty of pods and that it’s eating well. I believe mandarins are poisonous so monitor the damsels for signs of being poisoned. She should heal up okay as long as her caloric intake stays okay. Your LA shipment came in on time and healthy? I’ve been seeing worrying things on R2R about live aquaria lately and thus have been delaying an order.
The shipment arrived the day it was supposed to but FedEx was 4 and a half hours late delivering it. I placed the order on a Sunday of a holiday weekend and they shipped on Wednesday. That seemed reasonable to me with Monday being a federal holiday. All fish seemed healthy upon arrival. I have a fuge and have stocked pods in the past. I was worried about my wrasse cleaning out the pod population so I bought 2 different bags of pods along with the fish order. The mandarin seems to be hunting and picking at things (stuff my old eyes can't see) in a healthy manner. Fingers crossed that it's just an injury but we'll see what @Humblefish has to say.
 
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SCUBAFreaky

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Thanks for the response and guidance @Humblefish! So I was at the LFS earlier and he sent me home with a German product, Aquarium Munster Virumor, which is potassium peroxymonosulphate. She's not on frozen yet but seems to be eating the micro fauna that's in my tank just fine. Whatever the condition is it seems to have become worse throughout the day today. Should I go ahead and try the potassium peroxymonsulphae tonight or just wait and see if I can't find one of the fish antibiotics tomorrow?
 

Humblefish

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Thanks for the response and guidance @Humblefish! So I was at the LFS earlier and he sent me home with a German product, Aquarium Munster Virumor, which is potassium peroxymonosulphate. She's not on frozen yet but seems to be eating the micro fauna that's in my tank just fine. Whatever the condition is it seems to have become worse throughout the day today. Should I go ahead and try the potassium peroxymonsulphae tonight or just wait and see if I can't find one of the fish antibiotics tomorrow?

I have no experience with potassium peroxymonosulfate. (I just know that it is an oxidizing agent.) However, this study seems to suggest that it would have some efficacy against harmful bacteria: Bactericidal efficacy of potassium peroxymonosulfate under various concentrations, organic material conditions, exposure timing and its application on various surface carriers

So I say go for it. (y)
 
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