What is this, and how do I get rid of it?

Found this on a goldfish in my pond, what is it, how do I get rid of it?

 

hey bud, cant seem to see your attachments...

 

Me too, cant see photo's.

 

and now?

 

I am no expert but looks like some sort of parasite, think there will be someone on here that can help more with that.

 

pretty sure its this

https://en.wikipedia.org/wiki/Argulidae#/media/File:Argulus.jpg

 

sorry, some more info... could be wrong but it looks the same.

http://www.fishtanksandponds.co.uk/fish-health/argulus.html

 

Thats it yes