not salmon. sg waters are too warm for salmon to breed. salmon exists from russian far east to california coast in the north pacific and in scandinavian waters in the north atlantic.
the sinkie tossing of fish slices is to aerate the fish in order to mask the chow chee bye smell of sinkie women who have yeast infection. it's a unique innovative wasteful culture. it proves sinkies are wealthy and ready to spend and spoil themselves.