Red marks on my youngest bamboo. Please help!

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lovesharksmorethanmyself

Feeder Fish
MFK Member
Nov 26, 2018
20
4
3
28
Southern California
My youngest bamboo(~4-5 inches) is displaying red marks under his mouth and neck, as well as on one of his white bands. Tonight is the first night I am seeing this and I scrutinize their every movements. My older bamboo (around 1 foot) has none. They both have flukes that was brought in on a tang, and I was going to begin treatment using PraziPro in the morning, after a water change. Haven’t had a water change in almost 3 weeks as I was out of town and the person who was supposed to do it for me ended up not being able to. Normally I do weekly water changes.

My setup for more info- it is extremely god awfully ****ty for these sharks which is why I normally do weekly water changes and test the water daily. Let me explain- I work at my local fish store and was keeping my sharks in our 400g tank there and the plan was for them to live in that tank while I finish getting their 220g tank at my house setup. However an incident occurred at work with that tank that resulted in me having to take all my fish home- my two sharks, a tenetti tang, and a Valentini Puffer. They are all living in a 75g tank that I had up and cycled as I had it set up intending for it to be a quarantine tank for fish going in the 220g. Filtration is a canister :( however I just got a sump for it so going to set that up as soon as I can. I keep the water at around 75 degrees. The substrate is sand so I know that that isn’t what’s causing the red marks.

I want to note that he just recently started swimming up and around the tank hunting for his food and exploring. Just recently as in this behavior started at the beginning of the week. Normally he just glided around the sand and crawled. He crawls on the live rocks a LOT. He got a little stuck in this wedge in the rocks around 45 mins ago, and the side that scraped against it the most is the side that’s now red on his white band. Could the scraping against the rocks be causing the redness? His chin scrapes on them a lot as well. Want to hear some of your thoughts on that, because if that’s not caused by scraping then I want to address the source of it immediately.

He is eating more than ever so I’m thankful for that at least. I always get a pit in my stomach when a fish stops eating. The oldest shark has no signs of redness but he also never scrapes against the rocks trying to climb over them- he just swims never crawls. He has a big appetite as well. No aggression between the two sharks, they get along extremely well and sleep in a cave next to each other every day. No aggression towards the sharks coming from the tenetti or the puffer either. The only conflict I’ve ever seen was between the tenneti and the puffer and it was very minimal.

I will post my parameters as well although I am very nervous for what they will read because it’s been 2 1/2 weeks since their last water change :(

Thanks in advance for your help. I will do anything for my sharks and I am working on finishing up the 220 as quickly as possible. I am extremely concerned about the redness, please help

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Looks like abrassions to me. You are probably right, from rubbing on the rocks. I know it was mentioned in the other thread but be careful with the mixing of the puffer with the sharks. I had a valentini and he was a model citizen so they all may be good but the potential is there. I had a stars and stripes take out a queen angel and then take a swipe at one of my bamboo sharks too. Obviously the size difference in those two is huge also.
 
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