Pest Jellyfish? Not hydroids

[AquaPhilNJ]

Think this is going to be hard one; not able to find online. A few small pink balls are alive and swimming around. Actually freaks me out little. Image a pink sphere, then endless hairs coming out that allow it to swim freely. I think I saw one of them dividing. Feel like UFO is in my aquarium, I hope an invasion isn't coming.

 

[Jay Hemdal Verified Community Expert]

Sorry - it isn't in focus. Hydroids have three life stages; the planula larvae, the sessile polyp (what most people see) and then the free-swimming medusa stage. I'm guessing the latter is what you are seeing.

Jay

 

[king aiptasia]

it could be a couple things but i'll need a better shot to identify this