Would the schreckstoff be different for different species or species groups?
Don't pheromones differ by species?
Thinking of scents and mammals, parents can tell offspring from others.
Is the sence of smell that developed in fish? Some fish (salmon, shad) are
famous for scenting the right waters for their spawning runs. Can fish
delineate their species from other species and/or their fry from other fry?
Thanks again!
Scott
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