Saltwater sucker fish?

[Fishforlife]

It was a couple month ago when we went to Santa Cruz and while driving back home we stop at Scott Creek and beside it was a ocean so I went all the way to the left side and like through water path I saw a sucker fish with white stripe on it. I wanted to catch it but I didn't know what it was and there was hermit crab and I didn't want to get pinch. Any idea what fish is it?

 

[jwh0818]

Theu are called pilot fish, normally found cleaning sharks

 

[Fishforlife]

It's like 5-7 inches

 

[jwh0818]

It's like 5-7 inches

They grow bigger but im not sure how big. Pilots have white stripes

Edit - are you talking about this? A remora?

 

[Fishforlife]

I saw something different then that. It have a shape as a fresh water sucker fish and with one white stripe on it back. It move like it since I was using a stick to what it was. The body is all black and with one white stripe on the back of the body