There are a lot of plants that Golds will not eat, but I have only a limited list.
Things like Anubias, Java Fern, Bolbitis.
If you do a search here with the word Goldfish I think you will find more than one thread about planted tanks with Golds.
I have them in a greenhouse pond, and the plants are all emersed, nothing under water. They eat duckweed, but the other tanks are growing it faster than they are eating it. Maybe I need more Golds?
Thanks for the help ! Really appreciate it also when I was doing a water change I noticed this small white hair for a moment I thought it was just some hair haha but it was moving like a worm do you know what it could be ?
Skimming through one such post:
Feed them daily with salad/plant based foods. Kale seems to be a favorite. Dandelion and beet greens.
Cryptocoryne Crispatula var. Balansae
Red jungle Val
Cryptocoryne Wendtii Green
Vals- but keep feeding plenty of vegetables or else these may get eaten.
Maybe any of several Swords
NOT Java Moss or Subwassertang
Maybe Pennywort- nibbled, but fast grower vs. gets uprooted.
NOT frogbit (I do not know which species they were talking about)
Wisteris gets nipped a bit, but grows fast.
Sag gets nibbled, but only when they lack other salad.
Hornwort can get bitten, not sure if they eat it.