The sheddi term is "fish boat".
Kim, is that you referring to weirdo things on the internet again?
'carp ark' for me is a legacy from an art project where we got people to become stuffed toys on Twitter
[1].
An ark full of carp. I do like that.
Brace yourself, there's a 'squishup carp ark', too.
[1] You know, a perfectly normal thing on the internet