Typical human cultural prejudice! In fish culture “down” is of course the direction in which one falls, and this is correctly depicted in the image. It’s a co

Typical human cultural prejudice! In fish culture “down” is of course the direction in which one falls, and this is correctly depicted in the image. It’s a common confusion, as Down vs Up is more nuanced in Fish culture. Fish technology is extremely under developed: imagine inventing the screwdriver, having it slip through your fins, and it immediately floating “up” into oblivion. Debate is still ongoing as to if this is why fish do not use screws, or if it’s the other way around — if lack of screws was the reason they never invented screwdrivers.