Corydoras undulatus

[steeler58]

Here's one that's different marked.

The wavy catfish

https://youtu.be/SGZOFASADJk

Information: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwiFuKiU4vjVAhVU3GMKHRv2C_AQFggsMAE&url=https%3A%2F%2Fwww.planetcatfish.com%2Fcorydora s_undulatus&usg=AFQjCNEMop8Jjb065wmvxieXoHwPN3v1Lw

[steeler58]

https://youtu.be/0E3PITr0Hwc

[steeler58]

https://youtu.be/abA0TtCTin0