Demaenetus was an Athenian

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 commander during the Corinthian War

Corinthian War

The Corinthian War was an ancient Greek conflict lasting from 395 BC until 387 BC, pitting Sparta against a coalition of four allied states; Thebes, Athens, Corinth, and Argos; which were initially backed by Persia. The immediate cause of the war was a local conflict in northwest Greece in which...

. In 389 BC he was one of the commanders in an engagement close to Aegina

Aegina

Aegina is one of the Saronic Islands of Greece in the Saronic Gulf, from Athens. Tradition derives the name from Aegina, the mother of Aeacus, who was born in and ruled the island. During ancient times, Aegina was a rival to Athens, the great sea power of the era.-Municipality:The municipality...

 that resulted in a Sparta

Sparta

Sparta or Lacedaemon, was a prominent city-state in ancient Greece, situated on the banks of the River Eurotas in Laconia, in south-eastern Peloponnese. It emerged as a political entity around the 10th century BC, when the invading Dorians subjugated the local, non-Dorian population. From c...

n defeat and the death of the Spartan commander Gorgopas

Gorgopas (4th Century BC)

Gorgopas was a Spartan commander during the Corinthian War. In 388 BC Hierax was dispatched by Sparta to Aegina to take over the Spartan fleet. The Spartans under the command of Teleutias had earlier driven off the Athenian fleet blockading Aegina...

. One Athenian unit under Chabrias

Chabrias

Chabrias was a celebrated Athenian general of the 4th century BC. In 388 BC he defeated the Spartans and Aeginetans under Gorgopas at Aegina and commanded the fleet sent to assist Evagoras, king of Cyprus, against the Persians. In 378, when Athens entered into an alliance with Thebes against...

 prepared an ambush while another under Demaenetus drew Gorgopas out of Aegina and into the trap by openly marching through the area.

Demaenetus also participated in naval operations around Abydos in the following year. He along with fellow commanders Dionysius

Dionysius (Athenian Commander)

Dionysius was an Athenian commander during the Corinthian War. In 388 BC, he participated in naval operations around Abydus. Along with fellow commanders Demaenetus, Leontichus and Phanias, Dionysius unsuccessfully pursued the Spartan fleet under Antalcidas. However, Antalcidas was able to evade...

, Leontichus

Leontichus

Leontichus was an Athenian commander during the Corinthian War. In 388 BC he participated in naval operations around Abydus. He, along with fellow commanders Demaenetus, Dionysius and Phanias unscuccessfully pursued the Spartan fleet under Antalcidas. However, Antalcidas was able to evade them and...

 and Phanias

Phanias (Athenian Commander)

Phanias was an Athenian commander during the Corinthian War. In 388 BC he participated in naval operations around Abydus. He, along with fellow commanders Demaenetus, Leontichus and Dionysius unsuccessfully pursued the Spartan fleet under Antalcidas. However, Antalcidas was able to evade them and...

 unsuccessfully pursued the Spartan fleet under Antalcidas

Antalcidas

Antalcidas was a Spartan soldier and diplomat, the son of Leon.In 393 BC he was sent to Tiribazus, Persian satrap of Sardis, to undermine the friendly relations then existing between Athens and Persia, offering to recognize Persian claims to the whole of Asia Minor and supremacy over Greek cities...

. However, Antalcidas was able to evade them and link up with an allied Syracusan

Syracuse, Italy

Syracuse is a historic city in Sicily, the capital of the province of Syracuse. The city is notable for its rich Greek history, culture, amphitheatres, architecture, and as the birthplace of the preeminent mathematician and engineer Archimedes. This 2,700-year-old city played a key role in...

and Italian squadron at Abydos.