two good reads on the subject of fishing with electricty are:
https://www.protroll.com/bb-introduction
The Book
“Secrets of Fishing with Electricity” Paperback – 1989
by Ollie Rode This book is out of print and hard to find. But it does show up on ebay once in a while.
Also some electric downriggers have a positive ion voltage adjustment where you set the voltage according to the species you are after. Braid will not allow the use of that fuction.