typhlonectes:You Should Definitely Know about Pufferfish Skeletons What you are looking at
typhlonectes: You Should Definitely Know about Pufferfish Skeletons What you are looking at are the spines of pufferfish composed of nanocrystalline hydroxyapatite, protein(collagen), and water, the same materials as scales. Indeed, these spines are just modified scales. And like other scales, these spines originate during development from the mesoderm layer of the dermis or the skin… Read more: Deep Sea News -- source link