Pests please help

[Coral4coral]

I have had my 75 gallon up for 8 months the last and worste problem I had was low nutrients and coral looking bland and now I have all these pests idk where they came from or the best way to get rid of them I first had nudibranchs in my sump interested and now there making there way to the display if that isn't bad enough I found a ton of black bugs hanging out on a zoanthid frag all corals are fine and growing but i want to nip this in the but so any advice is good advice thanks again reefers

 

[Hitman]

Go get yourself a Yellow Corris or Sixline Wrasse either will feast on your issues fast

 

[Hitman]

Personally I would go with the Yellow Corris Wrasse they are pest hunters