Evolution and Developmental Diversity of Skin Spines in Pufferfishes - ScienceDirect
If fish's spikes don't get you, it's razor-sharp teeth might – Susan Scott
Dried Puffer Fish Sold As Souvenirs in Crete Stock Photo - Image of spikes, ocean: 168654472
Amazon.com: Porcupine Puffer Blowfish 4-6" : Home & Kitchen
A taste for the toxic - Port Aransas South Jetty
Paul the Puffer Fish (@puffer_paul) / Twitter
Pufferfish : The spikes on the pufferfish are enough to drive you away from it. Think about the porcupine of fish and decide whether or not you want to go near it. :