Evolution and Developmental Diversity of Skin Spines in Pufferfishes - ScienceDirect
Animals - ✓ The puffer fish does not have scales; its entire body is covered with very elastic skin with small spikes. During danger, the fish swells and increases in size by
File:Giant Puffer fish skin pattern.JPG - Wikimedia Commons
Pufferfish Skeletons, So Metal | Deep Sea News
Pufferfish Spines Shaped by Same Genes as Feathers and Fish Scales | The Scientist Magazine®