Moses
Genesis 1:20ESV·traditional attribution

And God said, “Let the waters swarm with swarms of living creatures, and let birds fly above the earth across the expanse of the heavens.”

John Calvin Reformed @genevareformer

20. Let the waters bring forth... the moving creature “Repere faciant aquae reptile animae viventis.” — “Let the waters cause to creep forth the reptile, (or creeping thing,) having a living soul.” This is a more literal translation of the original than that of the English version; yet it does not express more accurately the sense.

Matthew Henry Presbyterian @wholebiblehenry

Each day, hitherto, has produced very noble and excellent beings, which we can never sufficiently admire; but we do not read of the creation of any living creature till the fifth day, of which these verses give us an account.

Commenting on Genesis 1:20-23

Jamieson-Fausset-Brown Reformed @jfbcommentary

FIFTH DAY. The signs of animal life appeared in the waters and in the air. (Gen 1:20-23) moving creature--all oviparous animals, both among the finny and the feathery tribes--remarkable for their rapid and prodigious increase. fowl--means every flying thing: The word rendered "whales," includes also sharks, crocodiles, &c.; so that from the countless shoals of small fish to the great sea monsters, from the tiny...

Commenting on Genesis 1:20-23