How about these?

[forddna]

 

[RadReef]

Don't know what to call them, but they are nice, maybe a type of protopalythoa?

 

[knockout]

mahawks maybe

 

[xiongaquatics]

those are pretty good looking one. i use to got a bunch of them. grow like weed.

 

[Acezwild]

mahawks maybe

Looks nice but its not mohawks

 

[softiegirl]

i think they're called venus fly traps. they do grow like weeds! keep them secluded to one rock.