Who Gives A Fish Forums

My LFS guy said they'll usually avoid each other if the flow's right. But he also sells coral, so grain of salt. I keep mine 8 inches apart in a 20-gallon nano, no drama. Running a Kessil A160, 10 hours a day.


That's been my experience too. My Torch and Hammer are near each other in a 55-gallon ...

I'm in the process of setting up a new 50-gallon tank (48"x12"x18") and I'm still deciding on the inhabitants. This tank will be my last until I own a house, so I want to try something different from my current setup. Blockheads seem like a good fit.

I've been looking into keeping them, but I'm ...