Interesting goby behaviour

[Richard ML]

Hello,

I witnessed some very interesting goby behaviour at the LFS today:



Correct me if I'm wrong, but I believe these are Blueband Gobies. They would switch directions now and then, but stay in this interesting formation swaying in the current facing the same direction.

Has anybody seen this sort of behaviour before? Is there a name for it?

 

[Dragon52]

Never saw that before, that's some good wave motion though.