Genesis 1:22

And God blessed them, saying, Be fruitful, and multiply, and fill the waters in the seas, and let fowl multiply in the earth.

Cross-reference

Genesis 1:28 applies the same 'be fruitful and multiply' blessing language to humans — extending the fruitfulness mandate from creatures to mankind.

Genesis 1:20 Historical context

In Genesis 1:20, God commands the waters to teem with living creatures—the direct narrative lead-in to the blessing in verse 22.

Genesis 8:17 reissues the same 'be fruitful and multiply' blessing to the animals after the flood — reinstating what was first spoken in creation.

Genesis 9:1 Parallel

Genesis 9:1 reapplies the 'be fruitful and multiply' blessing — spoken to creatures here — now to Noah and his sons after the flood.

Genesis 35:11 applies 'be fruitful and multiply' directly to Jacob — God's original blessing on creatures here extended to build a nation.

In Leviticus 26:9, God's covenant faithfulness includes turning to Israel to make them fruitful and multiply, echoing the creation blessing.

Psalm 107:38 says God blesses them, and they multiply greatly. Directly echoes the divine blessing leading to increase.