OK, this shows why sometimes sharknose or neon gobies die or disappear in the tank when you have more than 1. One time, I had ordered 2 sharknose gobies and they arrived in 1 bag to my office. By the time I brought them home, the smaller goby had already been torn apart.
In the video, the gobies were all plump and fat but still the smaller one was unable to escape the grip of the larger one.
Sharknose vs Neon 6.9MB
Warning..Graphic Violence...hehe