fish stuck

Don't even understand how he pulled it off, but somehow my starry blenny has managed to jump the weir on my overflow (despite the screen lid sitting nearly right on top of it) and has now squeezed himself into the maybe 1/8-1/4 inch gap.... any ideas on how to get him to come back out? I know...

So I have a green chromis stuck in my overflow and no matter what i cant net him because hes so fast, anyone know how to get him out??

I have had the issue of my fish getting stuck in my filter. First it was my small ocellaris clownfish, so I attached a piece of fine mesh over the filter (I have a AIO filter from fiji cube) but yesterday I noticed my diamond goby was nowhere to be found. I looked in the filter and he was...

My yellow watchman goby is stuck in the first bay of my sump and I don't know how to get him out! There is no access to the bay aside from the hole for the plumbing to drop water in. I saw how he got there and fixed that problem, but I cant get him to swim up to the top and into the next bay...