My waspfish kinda chills all over, just depends on the rockwork. There was a spot on the sand he liked to chill at a lot of the time, and then I changed the rockwork a bit and he's found other spots I've seen him in more now that are up in the rockwork. A lot of the time he just finds a kind of sheltered perch that's in a cave or under an overhang and hangs out there. My guess is that this is due to them being ambush predators. However, when he's hungry he'll actively swim up to the glass when he sees me coming over to the tank. It's pretty cute. To feed him I just take frozen food and thaw it in the tank and then use a pipette to suction a chunk of food to the end of the pipette and offer it to him that way. I can actually see when he notices it near him because he'll get brightly colored and his dorsal fin sticks up before he swims over and snatches the food off the end of the pipette.
I keep a waspfish, royal gramma, firefish, pink-streaked wrasse, and possum wrasse together in an AIO 25gal tank (so not even 25gal display size) and they all get along just fine together as far as I can tell. Granted, this is probably on the higher end of bioloads you want to put in this size tank, but it's definitely doable. I'm not familiar with how aggressive firefish are when they are a pair, but I expect you could add a few other small fish if you wanted.
I will make one note on aggression. For a bit I had a springerii damsel instead of the pink-streaked in my main tank and I noticed that I almost never saw the firefish. As soon as I swapped the pink-streaked and damsel I started seeing the firefish again. So I'd caution against adding a damsel in a tank that size.
If you are looking for variety, you could also look into inverts. I keep a wide variety of inverts in my tanks as well so there's tons of options there for fun stuff. Some of my more interesting inverts right now are:
- tigertail sea cucumber
- pitho crab
- pom pom crab
- porcelain crab (lives in my anemones)
- banded serpent starfish (this one currently lives in my lagoon with the damsel but my understanding is that they are fairly reef safe. Do be aware these can grow large. Mine is still pretty small at the moment, but I fully expect to have to upgrade tank size or rehome it eventually as they can get to something like 8inches in diameter)
Other fun inverts I have not had the opportunity to try yet:
- Staghorn hermit crab
- Sponge decorator crab
To my knowledge waspfish do not change sex and you can sex them buy looking at their dorsal fins.
Here's a great thread on them from another member with pics of the differences. This was actually the thread that got me interested in getting one.
aka pygmy red rooster waspfish, red bandtail waspfish. I know I said I was finished with new additions, these had been on my list for a couple of years and this trio was at a lfs, so i picked them up. I have seen questions regarding these guys from time to time, and frustratingly no one ever...
www.reef2reef.com
A pixie hawfish would probably be fine with a waspfish, but I've never kept one so I'm not 100% certain what their personality is like.
My pink streaked sleeps in the rocks, same with my possum wrasse. Both of them need lots of caves and hidey holes to feel safe. My pink streaked was originally in my lagoon tank with a couple rocks and I think I saw it on average once a month for a split second. For the most part it just hung out in the only cave/safe area in the tank. As soon as I moved it over to my main tank with other fish and lots of tunnels and passages throught the rocks I could tell it instantly felt better and I now regularly see it cruising around the rockwork.
For the clown goby, mine was fully grown already when I added the waspfish. I probably wouldn't add a baby/young yellow clown goby with a full-grown waspfish. I think that's about the smallest fish you could safely keep and not have to worry about it getting swallowed.