Yeah, that is what I was thinking. I just wasn't sure if there was a species that stayed smaller that I didn't know about.
It almost looks like a pistol shrimp too, but you don't normally see them out and about like that.
its a pistol shrimp him and the watchman hang together its fun to watch the goby gets the food and the pistol builds tunels all day the algea problem is clearing up . whats good pump to run to increase flow without having to ad a power head .it has 2 27 watt pc bulbs