Stained Bones of Marine, Freshwater Sticklebacks (IMAGE)

University of California - Berkeley

Stained Bones of Marine, Freshwater Sticklebacks

Caption

These are adult marine (top) and freshwater (bottom) threespine sticklebacks (Gasterosteus aculeatus) stained with a red dye that labels calcified bone. The freshwater fish has lost its armor, pelvic fin and other bones.

Credit

Nicholas Ellis and Craig Miller, UC Berkeley

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