Porcupine River Stingray ポスター

It is a member of the River Stingray family and is native to the Paraná-Paraguay River basin in South America. It resides in marshy zones where it is frequently found partially hidden in the sandy bottom. It is a carnivorous bottom-feeder that eats small fish, crustaceans (like shrimp, crabs, mussels, cockles), aquatic worms (including earthworms, bloodworms), and mollusks. It can reach 40 cm wide in diameter ( 16 inches).