What is in my tank

[MamaPish]

Here are a couple of pics of the creepies in my fishless cycled tank...still has no fish in it....but thousands of these 2 things...first one one is planaria....the second pic Is the other one....I don't know what it is, but I drew a pic of it....it is about the same size as the planaria....anyone have any clues to what it is?

 

[MamaPish]

 

[Jamnog]

the second one ifs a hydra a cold water parasite that grabs hold of its pray with those tenticle things. can be bad for fry and stuff makes a nice bit of food for most fish tho. the first one looks like some sort of worm cant wreally tell what sort. 8)

 

[bigfish]

eeeek mama i haver seen one of them before!!!! top pic definately Planaria hmmmmmm i'm interested to know what the second photo is.

Have you put new plants in your tanks lately?