My last pup, came with me for 13 of his 14 years, probably on the ocean more than many "fishermen"' this was on working fishing and crabbing boats,
Concern on scratching the finish was not needed!! Ha ha
The current 200#s of Rotwielers come with us now, they sure do love all the different smells on the water. A 2ft square of artifical turf with absorbent pads underneath works well. "Off the Hook" is far from pristine, so any small scratches are hard to discern form the previous 50 years of use.
I do know a lady how has 2 cats, a dog and some type of big bird, she lives aboard part time and sport fishes 4-5 times a month, pets and all.
Dello, the little cat has slipped and splashed a few times!!