Dictyota?

[johnike]

Very slippery/slimy to the touch, have to grab it at the base to manually remove.

 

[tektite]

No, looks more like a type of Halymenia or Kallymenia, nice display macroalgae.

 

[Monkeyfish]

Not Dictyota. I agree with above poster that it's likely a Halymenia sp.

 

[johnike]

Thanks, folks.