History of the Peloponnesian War

Now the Corcyraeans (it being night) were afraid they might be enemies; but afterwards they recognised them, and they came to anchor.

The next day the thirty Athenian ships, and as many of the Corcyraean as were sea-worthy, put out and sailed to the harbour at Sybota, in which the Corinthians were anchored, wishing to know whether they would engage.