Bifferwine
I am a girl
The goni will do best left on the bottom. You can take "her" (:D) back if you want, but if you really like it, you can just try your best. Some people have had luck with them (even beginners). They just seem to be very touchy and very hit or miss. Generally, the red colored ones are believed to be hardier. It's difficult to tell what color yours is from the lighting. They are not impossible to keep, just challenging.
The worm looks to be a bristleworm. Google bristleworm and see what comes up. If it is a bristleworm, it's safe. In fact, it's an excellent scavenger and a great part of your cleaner crew. I can guarantee that you've already got dozens of them in your tank, you just don't see them.
The worm looks to be a bristleworm. Google bristleworm and see what comes up. If it is a bristleworm, it's safe. In fact, it's an excellent scavenger and a great part of your cleaner crew. I can guarantee that you've already got dozens of them in your tank, you just don't see them.