Sean Buckney,33, is wanted after absconding from HMP Kirkham earlier today (Thursday)
He is described as white, five ft 10ins tall, medium build with short brown hair and blue eyes.
He has a scar to the back of his head and right eye and an EFC tattoo on his left arm and further tattoos on his arms and body.
His last known address was Cecil Road, New Ferry, Wirral.
Police said Buckney was sentenced to life at Liverpool Crown Court in 2006 for an offence of wounding with intent.
He was recalled to prison for affray, assault and possession of an offensive weapon in November 2018.
Anyone who sees him should not approach him but should contact police.
Anyone with information should contact police on 101 or email firstname.lastname@example.org.
For immediate sightings call 999.