John Gills Exposition of the Bible Commentary - Genesis 1:22
And God blessed them ,.... With a power to procreate their kind, and continue their species, as it is interpreted in the next clause, saying, be fruitful, and multiply, and fill the waters in the seas : and these creatures do multiply exceedingly, and vast quantities there are of them in the mighty waters, though the consumption of some sorts of them is very great. Our English word "fish" is derived from the Hebrew word פוש , "fush", which signifies to multiply and increase: and let... read more
Matthew Henry's Complete Commentary - Genesis 1:20-23
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. The work of creation not only proceeded gradually from one thing to another, but rose and advanced gradually from that which was less excellent to that which was more so, teaching us to press towards perfection and endeavour that our last works may be our best works. It... read more