Pliotrema annae
Pliotrema annae, Anna's sixgill sawshark, is a sawshark in the family Pristiophoridae found in Zanzibar. Until the latest observation, Pliotrema annae is known to live in shallow water at depths of.
This shark has barbels which are located roughly half way from the rostral tip to the mouth. Its rostra are constricted between barbel origin and the nostrils.