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Fig. 1 | Frontiers in Zoology

Fig. 1

From: Chemical cues and pheromones in the sea lamprey (Petromyzon marinus)

Fig. 1

Schematic illustrating the hypothesized functions of migratory cues, alarm cues, and mating pheromones during reproduction in sea lamprey. a Fewer migrating sea lamprey enter rivers or tributaries with injured or decaying conspecifics, or lacking larval populations; b Migrating sea lamprey enter streams activated with larval odor; c upon reaching sexual maturation males release a mating pheromone that draws females to spawning nests, and initiate nest building and spawning behaviors

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