Sharks have been relegated from the Nigeria Professional Football League (NPFL) to the Nigeria National League (NNL) on the last day of the season.
Sharks have now joined Bayelsa United, Taraba and Kwara United to the NNL.
The coach Festus Allen-led team battled hard but lost 1-0 at Abia Warriors to end the season on 17th position with 45 points from 38 games.
Super sub Olaha Michael sent Sharks down with his strike in the 81st minute from close range to end the Port Harcourt side’s hope.
Sharks goalkeeper Henry Ayodele saved Ibe Okoro’s penalty kick in the 62nd minute after Awala Moses was fouled in the box.
Adeleke Olusola failed to score for Sharks twice in the 10th and 11th minutes.
Christian Pyagbara was thorn in flesh of the Abia Warriors defenders but nothing came out of his endeavour.