thornback ray, thornback skate (Raja clavata) Raja clavata
Date 1892
Source Brockhaus' Konversations-Lexikon v.6 https://archive.org/details/brockhauskonvers06leip
Author Unknown, Leipzig ; Berlin ; Wien : F A Brockhaus (Friedrich Arnold Brockhaus, 1772 – 1823)
Source: https://commons.wikimedia.org/wiki/File:Raja_clavata_1892.jpg
The thornback ray or thornback skate (Raja clavata) is a species of fish in the Rajidae family. Raja clavata is found in coastal waters of Europe and the Atlantic coast of Africa, possibly as far south as Namibia and even South Africa.
