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How does the Atka mackerel’s habitat change during its spawning season?

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Stonefish (Synanceia verrucosa). — scorpaeniform Stonefish (*Synanceia verrucosa*).

During the spawning season, members of the family Hexagrammidae, such as the Atka mackerel, move to shallow water to deposit their eggs. They typically place a single clump of eggs on algae located on stony bottoms.1