Photo of Animalia: Porcupine Ray (species: Urogymnus asperrimus) (Lizard Island Field Guide)

Photo of Animalia: Porcupine Ray (species: Urogymnus asperrimus) (Lizard Island Field Guide)

Photo of Animalia: Porcupine Ray (species: Urogymnus asperrimus)

Closeup of disc behind spiracles showing thorns on Porcupine Ray at Lizard Island
© Vanessa Messmer

Usage licence: Creative Commons Attribution 3.0 Unported License