Thank you. I didn't realize the pattern of spots could be different from the photo examples. Good to know, thank you.

Someone asked us to take their catfish in 2002 when they were moving out of town, and now 20 years later, we still have this catfish, who has taken over our aquarium for himself. Can you help identify it? Maybe a type of pimelodus? I've scoured the internet, and found close matches, but none seem to...