Fish disease and parasites should be stressed that "Henneguya", economically deleterious though it is, is harmless from the view of public health. It is strictly a fish parasite that cannot live in or affect warm blooded animals, including man". According to Klaus Schallie, Molluscan Shellfish Program Specialist with the Canadian Food Inspection Agency, ""Henneguya salminicola" is found in southern B.C. also and in all species of salmon. I have previously examined smoked chum salmon sides that were riddled with cysts and some sockeye runs in Barkley Sound (southern B.C., west coast of Vancouver Island) are noted for their high incidence of infestation." Sea lice,
A Fish Called Selma Guy", in order to get a better representation of his performance. Throughout "A Fish Called Selma", it is hinted that Troy engages in strange sexual activity. The writers initially did not know what the "unsavory" sexual preference would be, but eventually decided on a fish fetish, a suggestion from executive producer James L. Brooks, since it was "so perverted and strange, that it was over the top". At the episode's table reading, an attendee exclaimed that the line, "from now on she's smoking for two" has "got to go" from the script; however, her request was denied. On the walls