It is long shape Fish Book Printing?

Yes, it is not pages, but a long strip.

Usually the max reach 670mm, mostly the size is 430mm.

How many pages for the Fish Book Printing?

This book usually by 10 pages. 

8 pages also workable, but 8 pages seems a little less.

How many quantity of the Fish Book Printing?

Our request is 3,000 piece, big quantity is welcome.

And big quantity the price could drop.

However depend on your market, and your sales plan.

Here is the specification about the Fish Book Printing,