DNA barcoding reveals a new species of deepwater catshark of the genus Apristurus (Chondrichthyes: Pentanchidae) from India, in the Southeastern Arabian Sea

This article provides a description of a new species of a catshark of the family Pentanchidae, Apristurus drona sp. nov. based on 4 specimens, which include two males and two females ranging from 439–473 mm TL, collected off the Kollam slope, Southwest coast of India, at a depth of 400–650 m. This new species is placed in the Apristurus brunneus subgroup among the three groups divided within the genus Apristurus and is characterized by the following features: slender body, tapering posteriorly;