What is going on?!

[Enkil]

As some of you know, I recently lost two new fish that I had recieved. The same night. Within an hour of each other...

I just lost my Gwynfor. My favorite fish. He was fine yesterday. I don't know what happened! I went to pay attention to him as I always do to find him struggling to swim. I quickly cupped him just to have him die the moment I scooped him up! I am completely devastated right now. I don't know what to do.

If anyone has any ideas on what could have happened... I would appreciate it. I tested his water and it's fine. I just don't know what to do.

[Enkil]

Adding some pictures I took. Would just like to note that while waiting for the roommate to "take care of him", his tummy turned yellow and his sides took on a red tinge.

[lyolya]

what are those yellow bumps on the fins?
Maybe velvet?

[HermitGuy101]

They could be stressed. You've just bought them or you've had them for a while? Was there any sudden tank transfers? The temperature change could have killed them.

[Enkil]

Oh my gosh! I didn't even notice them until just now. I need to grab my flashlight and go check everyone else. Geeze, I feel so horrid.

[Enkil]

Gwynfor has been with me for a while. Hadn't changed anything with his tank. Fully submersible adjustable heater keeps the 5 gal at 78. The female that I lost came to me under the weather. Treated with epsom salt and fasting. It turrned out that she had gotten so full of eggs that she couldn't release them. She released a couple the day she died. The other male I lost came to me acting depressed. Thought he might just have to get used to his new home. Put him in a hospital tank to be safe. Heated, of course. He then became very lethargic immediately after the female passed. Shortly after, he died.

Gwynfor hadn't acted any differently. He was his normal, active self. Even ate last night. When I saw him having trouble swimming, I acted immediately.

[Enkil]

The rest of my fish seem in good health... Except...

Today, Eva is not acting like herself. She is usually very zippy. Not today. She also didn't come up for food with the rest of the girls. She is usually the first to greet me. I have cupped her and have her floating in the sorority.