CANTERBURY forward James Graham has been referred to the judiciary on an ungraded contrary conduct charge for allegedly biting Melbourne's Billy Slater in Sunday's grand final.

Graham was one of four players charged after a 26th minute melee spilled over the sideline and Storm pair Sisa Waqa and Todd Lowrie face suspensions for fighting.

Ryan Hoffman scores the first try for the Melbourne Storm. Click for more photos

2012 NRL Grand Final

Ryan Hoffman scores the first try for the Melbourne Storm. Photo: Brendan Esposito

Bulldogs five-eighth Josh Reynolds can escape a one match ban if he pleads guilty.

Graham is likley to face a minimum eight match suspension as a grade five charge is worth 700 demerit points, with each 100 points equating to a one match ban.

As he has been referred on an ungraded charge, the case against the England prop is considered more serious.

James Graham

Under siege ... James Graham dressed as Simpsons characted Duffman at the Bulldogs' Mad Monday celebrations. Photo: Mick Tsikas

The past two NRL players banned for biting served a combined 12 weeks.

Gold Coast’s Will Zillman copped four weeks for biting South Sydney’s Jamie Simpson in 2009, while Brad Morrin was suspended for eight weeks for trying to take a chunk out of Parramatta’s Timana Tahu.

The brawl was sparked when Slater slid into Sam Perrett in an attempt to stop the Bulldogs winger from scoring a try.

James Graham

James Graham allegedly bit Billy Slater's ear. Photo: Channel Nine

Dogs centre Krisnan Inu then pushed Slater, who reacted angrily and was restrained by Bulldogs bench player David Stagg.

Players then broke off into separate fights with Waqa and Reynolds squaring off while Graham lunged at Slater.

Replays on the big screen at ANZ Stadium showed Graham baring his teeth and moving in towards Slater’s left ear.

The Queensland and Australia fullback then made an on-field complaint to referee Tony Archer, who acknowledged there was blood around the ear.

Slater was asked by the referee if he wanted the incident placed on report. "Yeah, f---en oath," Slater said. "He bit me on the ear."

with AAP