Sevengillers do not get much above 100kg, the NZ record is only 95.2kg. The larger Sevengillers are typically misidentified Six gill sharks. According to the local newspaper A ‘very large’ sevengiller was meant to have won a local fishing contest a few years back but it had all the trademarks of a Six Gill shark.
Here is the 133kg Sixgill shark which won the competition.
Notice the difference, only six gills, no spots and heavier then 100kg.