isopod id

New to the Forum. About 2 months ago I bought some Cheato from Algae Barn. Since then it has been in a newly-established quarantine tank, which contains nothing but water, the Chaeto, and the usual aquarium equipment. No substrate, nothing else. I now have hundreds of little isopods in the...

I bought some Live Rock from Tampa Bay Saltwater and I noticed an isopod dead at the bottom of the shipping box so I decided to set a trap and see if I had the cirolanid isopods that seem pretty common with Florida aquacultured rock. I caught about 10 the first night and have caught 5-8 from...

Hello everyone, I recently purchased some live rock from kp-aquatics and am having some trouble identifying two hitchikers. One is an isopod that I think is Sphaeromatids but would like to get some other opinions. The third picture is the isopod curled up on its back. The other is a worm...