So THAT's the problem with fish! Who knew? LOL
re·cal·ci·trant
rəˈkalsətrənt/
adjective: recalcitrant
1. having an obstinately uncooperative attitude toward authority or discipline.
"a class of recalcitrant fifteen-year-olds"
synonyms: uncooperative, intractable, obstreperous, truculent, insubordinate, defiant, rebellious, willful, wayward, headstrong, self-willed, contrary, difficult