No, freshwater fish apart from predatory fish have never been on the menu in the UK, top feeding fish like trout or pike but never tench, bream or subsequent to the Romans, carp. The BBC article relates to one site and even there is a possibility that the aversion to fish was due to fecal contamination causing illness. In East Anglia scales from sea fish were common however apart from trout other local fish was not present in middens.
Maco1969
The Celts lived in houses built on piers, eating the fish you were shitting on would wipe out your tribe due to cholera and dysentry, they imported their water from local springs. They ate locally caught seafood but not freshwater fish. Carp were introduced by the Romans however the Romans had a means to wash the fish prior to consumption. There was no need to eat something possibly detrimental due to a lack of population pressure, the Romans washed carp in fresh water for a period of days prior to consumption, the Celts didn't simply because they didn't have to.
There were no monkeys when dinosaurs existed, also more time elapsed between the stegosaurus in the back existing and the t rex and triceratops than between them and us.
We are kind of unique in our ability to sit on chairs, the majority of animals throughout evolutionary history have some form of tail. Imagine we meet aliens and every species is incapable of sitting on a chair, it'd make start trek look a little foolish.
Ask either do you have a nose, the one that always tells the truth has to say yes, the one that always lies has to say no.
This is simple, any plane that lands in Mexico with deportees on board doesn't have permission to leave without every passenger still being on board.