I knew I had some fish larvae released in my 180 tank, but didn't know what kind. Tonight I found out when I saw this little guy swimming in the sump. He is about a 1/4 inch long. In the video you can see (blurry) mysid shrimp swimming by. The little balls on the bottom are purigen balls that just spilled out of the bag they were in. Click on the picture below to see a short iPhone video of him.
I don't know if I should just leave him in the sump since he is doing well so far, or if I should move him into another container. For now, I just left him in there, but I poured a little green water from my attempt at raising copepods, and from my newest attempt at live rotifers I just started this week. I'll have a fresh batch of brine shrimp napulli to add in there tomorrow night or Sat morning.

I don't know if I should just leave him in the sump since he is doing well so far, or if I should move him into another container. For now, I just left him in there, but I poured a little green water from my attempt at raising copepods, and from my newest attempt at live rotifers I just started this week. I'll have a fresh batch of brine shrimp napulli to add in there tomorrow night or Sat morning.