You asked:

what class are fish

  • food, seafood, foodstuff, fish or shellfish based food, meat (including seafood), substance, animal-derived substance, simple food or ingredient, protein source and simple food.
  • food
    food
    food

  • seafood
    seafood
    seafood

  • foodstuff
    foodstuff
    foodstuff

  • fish or shellfish based food

  • meat (including seafood)

  • substance

  • animal-derived substance

  • simple food or ingredient

  • protein source

  • simple food