Sockeye salmon species "Oncorhynchus kawamurae". Sockeye salmon use patterns of limnetic feeding behavior, which encompasses vertical movement, schooling, diel feeding chronology, and zooplankton prey selectivity. They can change their position in the water column, timing and length of feeding, school formation, and choice of prey to minimize the likelihood of predation. This also ensures they still get at least the minimum amount of food necessary to survive. All of these behaviors contribute to the survivability, and therefore fitness of the salmon. Depending on location and threat of predation, the levels of aggressive feeding behavior can vary. Sockeye salmon, unlike other species of
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