Squid looking thing?

[Mshanej]

Found these in my sons tank. Tiny and everywhere. Swim like a squid. I can’t find anything like it. I attached a video…I hope.

 

[Mshanej]

July 24, 2021

youtube.com

Here’s a link. Not sure if the upload worked.

 

[PeterB113]

July 24, 2021

youtube.com

Here’s a link. Not sure if the upload worked.

Hydroid jellyfish they will be gone in a few days common in a new tank

 

[Mshanej]

Not a

Hydroid jellyfish they will be gone in a few days common in a new tank

not a new tank though. It’s three years old and some change.

 

[Jekyl]

Second hydroids

 

[attiland]

I have only seen a copepod there.

 

[PeterB113]

Not a

not a new tank though. It’s three years old and some change.

Must of came on a new rock /frag

 

[MaxTremors]

Must of came on a new rock /frag

I’ve also seen them reappear in tanks from time to time without any new additions.

 

[PeterB113]

I’ve also seen them reappear in tanks from time to time without any new additions.

Yea I've had them re appear in my tank but they die off in about a day or 2

 

[Mshanej]

Thanks everyone. They are very cool to watch. I’ve had tanks for many many years and never noticed these before. Kinda awesome.