I meant the latter I was answering your question.
There is no difference between the two other than the name.
I dont belive in coincidences. Similarly a whole herring, that has been split into a butterfly fashion from tail to head along the dorsal ridge, gutted, salted or pickled, and cold-smoked over smouldering woodchips Aka a Kipper (Wikipedia) is quite similar as well
Azoi zugt men beshem hasfoorim hakedoishim