Horseshoe Crab Anatomy: Dorsal View of a Living Fossil #3706611 (License: Personal Use)

The image captures a horseshoe crab (Limulus polyphemus) from above, revealing its chitinous, olive-green to dark brown carapace with visible segmentation and lateral spines. Its posterior abdomen features movable spines and ends in a long, rigid telson used for righting itself. The specimen appears intact and likely preserved or recently deceased, resting on a neutral surface.

Used in educational biology resources, marine conservation pages, or paleontology content to illustrate ancient arthropod morphology; matches user intent for learning about horseshoe crab structure, evolution, or identification.