butterfin

From butter +‎ fin, proposed as a less racist name for Asian carp.

butterfin (plural not attested)

1. Asian carp
   • 2022 June 22, John Flesher, “A ‘copi’ fillet? Illinois hopes new name for ‘invasive carp’ will convince diners”, in PBS‎^[1]:

     Span researchers considered many names — “butterfin” among them — before settling on “copi,” Irons said. It sounded catchy, a tad exotic, even fun, he said.