Would more photos help? I'll try to do some more of them tonight. I got them at Petsmart, they are a little smaller than the eupterus.

Hello, thank you. Yes, I didn't think they could, it's just this common Syno's stomach is now huge, which you can see in the photos, his/her stomach was flat until recently. The other 2 I can not identify, but they are siblings, the 3 of them always whisker each other out of hiding spots, which is ...

We have a common Syno eupterus, who is about 7 years old. We also have 2 other (related) unknown Synos in the tank, about 2 years old. Is it possible for the 2 different species of Synos to breed? The eupterus suddenly has a huge belly. I am not even sure if they did breed if the fry would actually ...