Featherfin Catfish/Squeaker

[Georgia777]

I have two featherfin catfish that I bought about 10 months ago and I was told they were corydora catfish so I bought two because I had always been told they did better in groups. Sadly it took me a while to figure out what they actually were so I've been trying to do more research on them. I read that they can make squeaking noises and was wondering if anyone had ever heard theirs make the noise and how loud it is. I've heard a couple somewhat loud squeaking noises over the last few days but I am not sure if it was the fish or not.