Colistium

Colistium is a genus of righteye flounders native to the southwest Pacific Ocean, where they occur around New Zealand. Both the species reach a length of about 90 cm.

Species
There are currently two recognized species in this genus:
 * Colistium guntheri (Hutton, 1873) (New Zealand brill)
 * Colistium nudipinnis (Waite, 1911) (New Zealand turbot)