Unknown Organisms On Glass

[betta fish]

They look really cool! I wouldn't mind keeping them either but I can understand why you wouldn't want them if you have young fish.

 

[dipsydoodlenoodle]

I also have hydra and I was told that even if you get rid of them their "seeds" can lay dormant for years until the perfect conditions arise again...

 

[Bignose]

I also have hydra and I was told that even if you get rid of them their "seeds" can lay dormant for years until the perfect conditions arise again...

Most of time, hydra reproduce asexually by budding. However, there are some species that can reproduce sexually when conditions are harsh. "Seeds" probably isn't the right word, but fertilized eggs can remain dormant for several years and yet still be viable to grow into an adult.