tumor?

Tank size: 180L (101cm in length) tank age: 4 years pH: 6.8 ammonia: 0 nitrite: 0 nitrate: 0 kH: 6° gH: >7° tank temp: 27°C Fish Symptoms: Swollen eye for about a month now. It suddenly appeared one day, which led me to believe he hit something and the swelling was caused by trauma. After it...

Hello. We've had 3 cories for a while in a very healthy, planted, and well-cycled tank. One started to develop a growth on its gill, and it does not look fungal (i.e. no fuzzy texture). This was about 2 weeks ago. Since then, we have quarantined it and have treated the water with the following...

Hey I need some help, I just looked at one of my sparkling gouramis and she (or he) has this giant whiteish yellow bulge sticking out of her side. Is it a tumor? Did she accidentally burn herself on the heater or something? Any advice or anything in general would help.

Hello! I posted a couple months ago about a white spot growing on my betta. It seems to have gotten bigger and now it looks like there’s a brownish red bump in the middle of the white. It looks like it must be hurting him :( He’s in a 3.5 gal heated and filtered tank, water temp is usually 82...

my koi betta has a bump at the base of his pectoral fin. he’s had it for a while, and it was a non issue. but recently he’s become slightly bloated, his fins clamped, seems very stressed, and he struggles to swim because it’s gotten larger. he can hardly move that pectoral fin. does it look like...

I just got this fish not to long ago, maybe 3-4 weeks. He’s been doing great with my other fish but today I noticed he has some kind of a growth on his side? I don’t know if this is an emergency or not and I don’t know what to do. What is this?

Hello, I have an orange Platy who has developed what seems like overnight a large tumor. I noticed when I was adding two new guppies to the tank. I took a picture to the local fish store the first day I noticed and they didn’t know what it was so they gave me a cure all. I put him in a...

I went to my local pet shop to look at the betas and saw one that was struggling to stay up right (very bloated), another that was dead, and this guy whose head is so deformed it looks more like a parrot fish than a betta. :( what's wrong with him? I was trying to get a pic without glare when a...