Exodus 7:21
And the fish that was in the river died; and the river stank, and the Egyptians could not drink of the water of the river; and there was blood throughout all the land of Egypt.
Cross-references
Exodus 7:18
Prophetic fulfillment
Exodus 7:18 predicts the plague's effects — fish die and river stinks — which 7:21 fulfills.
Exodus 8:14
Parallel
Exodus 8:14 records frogs dying and causing a stench — paralleling the dead fish and stench from the Nile here.
Psalm 105:29
Allusion
Psalm 105:29 directly references this plague, summarizing the death of fish.
Isaiah 19:8
Typology
Isaiah 19:8 prophesies fishermen mourning as the Nile's fish die, echoing the plague of blood in Exodus 7:21 as a type of future judgment on Egypt.