Blue Mussel Anatomy - Shell Structure and Byssal Threads Explained #3061702 (License: Personal Use)

This illustration depicts the blue mussel (*Mytilus edulis*), showcasing its characteristic elongated, blue-gray shell with concentric growth lines and a fringed mantle edge. Below the shell, numerous golden-brown byssal threads radiate outward-strong, fibrous structures secreted by the mussel’s foot to anchor it securely to hard surfaces in intertidal zones.

Used in marine biology education, ecology resources, or seafood sustainability content; ideal for users seeking anatomical understanding of bivalves or coastal ecosystem roles of mussels.