‘And the second poured out his bowl into the sea and it became blood as of a dead man, and every living soul died, even the things that were in the sea.'
Compare Exodus 7:20-21; Psalms 105:29; Isaiah 50:2 where again the effect on the fish is emphasised. This parallels Revelation 8:8 to some extent but while more intense it only refers to sea creatures. Through pollution from undescribed causes man's sources of food are attacked, and his means of sustenance are smitten. Again we are not told which sea is in mind. It is not intended to be too specific. It can be applied to many catastrophes from the time of John onwards.