Satyrus was the ruler of the Bosporan Kingdom

Bosporan Kingdom

The Bosporan Kingdom or the Kingdom of the Cimmerian Bosporus was an ancient state, located in eastern Crimea and the Taman Peninsula on the shores of the Cimmerian Bosporus...

 in 431

431 BC

Year 431 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Cincinnatus and Mento...

 - 387 BC

387 BC

Year 387 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Papirius, Fidenas, Mamercinus, Lanatus and Poplicola...

. He established his rule over the whole district of Maeotae

Maeotae

Maeotae or Mæotæ or Maeotici were an ancient people dwelling along the Palus Maeotis in antiquity. It is not clear whether they spoke an Iranian language or were related to the modern-day Adyghe. The best attested tribe among them was the Sindi.The earliest reference may be the logographer...

, adding Nymphaeum to his dominions and laying siege to Theodosia

Theodosia

Feodosiya is a port and resort city in Crimea, Ukraine, on the Black Sea coast. During much of its history the town was known as Caffa or Kaffa .- History :...

, which was a serious commercial rival because of its ice-free port

Port

A port is a location on a coast or shore containing one or more harbors where ships can dock and transfer people or cargo to or from land....

 and proximity to the grain fields of eastern Crimea

Crimea

Crimea , or the Autonomous Republic of Crimea , is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea, occupying a peninsula of the same name...

. It was reserved for his son Leucon

Leukon of Bosporus

Leukon I of Bosporus , also known as Leuco and Leuko was a Spartocid king of the Cimmerian Bosphorus kingdom....

(387 BC - 347 BC) to take this city.