Right. Spawning completes the four-year life cycle of these fish. The long journey back to their nesting grounds depletes their food reserves, which is why their colours changed from blue/grey to red on the journey. In the 10 days after they spawn their bodies turn to a chalky grey as their lives end.
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Actually this is true. Spawning completes the four-year life cycle of these fish. The long journey back to their nesting grounds depletes their food reserves, which is why their colours changed from blue grey to red. In the 10 days after they spawn their bodies turn chalky grey as their lives end.