Potamotrygon sp. Rio Negro (= P. laticeps, P. hystrix) - Aqualog.de
Rio Negro 'Hystrix' Stingray Gets a Name: Potamotrygon wallacei - AMAZONAS Magazine
hystrix
Rio Negro 'Hystrix' Stingray Gets a Name: Potamotrygon wallacei - AMAZONAS Magazine
hystrix
Potamotrygon histrix, Porcupine river stingray : fisheries, aquarium
Parectatosoma hystrix looks like it should be playing bass guitar for GWAR : r/natureismetal
Needle palm, Rhapidophyllum hystrix (Chamaerops hystrix). Chromolithograph by P. de Pannemaeker from Jean Linden's l'Illustration Horticole, Brussels, 1883 Stock Photo - Alamy
File:Inocybe hystrix (Fr.) P. Karst 947566.jpg - Wikimedia Commons