Mature Atlantic Salmon (Salmo salar L.) Male Parr Are Attracted to Ovulated Female Urine but Not to Ovarian Fluid

The behavioral responses to urine and ovarian fluids from conspecific and heterospecific ovulated females were studied in mature Atlantic salmon (Salmo salar) male parr in a two-choice fluviarium. The males reacted differently to the stimulants. They spent more time in water scented by urine from salmon or brown trout (Salmo trutta L.) females compared to… CONTINUE READING