pink spotted watchman goby

I recently brought home a pink spot watchman goby, and I'm now contemplating pairing it. I'm alright with getting another pink spot, however, I'm wondering if it's at all possible that it would pair with a similar species of watchman goby. I've done a little digging but I ultimately couldn't...

Has anyone experienced a watchman goby burying themselves in a part of the tank where you can't see them? I'm thinking about one being one of the first fish in my tank, but I'm worried they'll end up in a tank I won't be able to seem them (especially paired with a pistol shrimp).

Has anyone had experience with their pink spotted watchman goby showing aggression to other burrowing gobies? I want to get a yasha goby for my 22 gallon tank (45 gallon water volume with sump). My pink spot has not shown aggression when my purple Firefish hides/sleeps in his burrow. I just...

I got Marty, a Pink Spotted Watchman Goby, about a week ago. I was watching him while feeding earlier and noticed he has a rough patch of blackened scales and it appears there is some kind of parisite moving under his skin (see attached video). What is wrong with Marty and how can i treat him?

I figured I'd say hi to everyone and show some pictures of my tank it's a 30 gallon 30"long 12"wide and 18"high. I picked up the tank for free from a Co worker and made a diy all in one filter and refugium in the back out of acrylic. It's been up and running for about two months now and my...