Bivalves twin shells

Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore.
Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore. stick sticky stuck adhere adhesive group mass many together group barnicles Molluscs |Mussels (Mytilus californianus)

Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore.
Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore. stick sticky stuck adhere adhesive group mass many together group barnicles Molluscs |Mussels (Mytilus californianus)

Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore.
Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore. stick sticky stuck adhere adhesive group mass many together group barnicles Molluscs |Mussels (Mytilus californianus)

Striped Wing Oyster (Pteria cocea) attatched to host hydroid.
Striped Wing Oyster (Pteria cocea) attatched to host hydroid. shell mollusc shells molluscs vertical pattern Molluscs |Striped Wing Oyster (Pteria cocea)

Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore.
Mussels (Mytilus californianus) growing around small tide pool on rocky foreshore. stick sticky stuck adhere adhesive group mass many together group barnicles Molluscs |Mussels (Mytilus californianus)

Giant Clam (Tridacna gigas) embedded in coral reef.
Giant Clam (Tridacna gigas) embedded in coral reef. big bigger huge large massive giant gigantic oversize size lips vent shell mollusc bivalve vertical Molluscs |Giant Clam (Tridacna gigas)

Giant Clam (Tridacna gigas) embedded in coral reef.
Giant Clam (Tridacna gigas) embedded in coral reef. big bigger huge large massive giant gigantic oversize size lips vent shell mollusc bivalve vertical Molluscs |Giant Clam (Tridacna gigas)

Giant Clam (Tridacna maxima) Detail of mantle.
Giant Clam (Tridacna maxima) Detail of mantle. pattern patterns abstract shell mollusc molluscs line lines lined Molluscs |Giant Clam (Tridacna maxima)

Giant Clam (Tridacna maxima) Detail of mantle.
Giant Clam (Tridacna maxima) Detail of mantle. pattern patterns abstract shell mollusc molluscs line lines lined Molluscs |Giant Clam (Tridacna maxima)

Giant Clam (Tridacna maxima) Detail of mantle.
Giant Clam (Tridacna maxima) Detail of mantle. pattern patterns abstract shell mollusc molluscs line lines lined Molluscs |Giant Clam (Tridacna maxima)

Sydney Rock Oysters (Saccostrea glomerata)
Sydney Rock Oysters (Saccostrea glomerata) mass many group together same identical similar crustacean shell armor armour armoured armored protect protected protection hard sheild shield cluster clustered grouped sharp razor brittle strong stuck sticking adhere adhesive Molluscs |Sydney Rock Oysters (Saccostrea glomerata)

Sydney Rock Oysters (Saccostrea glomerata)
Sydney Rock Oysters (Saccostrea glomerata) mass many group together same identical similar crustacean shell armor armour armoured armored protect protected protection hard sheild shield cluster clustered grouped sharp razor brittle strong stuck sticking adhere adhesive Molluscs |Sydney Rock Oysters (Saccostrea glomerata)

Sydney Rock Oysters (Saccostrea glomerata) Commercially farmed species.
Sydney Rock Oysters (Saccostrea glomerata) Commercially farmed species. mass many group together same identical similar crustacean shell armor armour armoured armored protect protected protection hard sheild shield shell shells oyster raw sharp razor Molluscs |Sydney Rock Oysters (Saccostrea glomerata)

King Scallop (Pecten fumatus) Commercially fished species.
King Scallop (Pecten fumatus) Commercially fished species. single one alone lonely isolated individual gastropod gastropods shell shells mollusc molluscs scollop Molluscs |King Scallop (Pecten fumatus)

King Scallop (Pecten fumatus) Commercially fished species.
King Scallop (Pecten fumatus) Commercially fished species. single one alone lonely isolated individual gastropod gastropods shell shells mollusc molluscs scollop Molluscs |King Scallop (Pecten fumatus)

File Shell (Limatula strangei)
File Shell (Limatula strangei) single one alone lonely isolated individual colour color colourful colorful vibrant vibrent vibrint small tiny minute minuet miniscule diminutive macro micro little minor minature miniature petite puny hair hairy tentacle tentacles orange yellow mollusc bivalve oyster Molluscs |File Shell (Limatula strangei)

Derasa Clam (Tridacna derasa)
Derasa Clam (Tridacna derasa) single one alone lonely isolated individual crustacean shell armor armour armoured armored protect protected protection hard sheild shield lip lips mantle bivalve shell shells Molluscs |Derasa Clam (Tridacna derasa)

Giant Clam (Tridacna maxima) with blue mantle.
Giant Clam (Tridacna maxima) with blue mantle. single one alone lonely isolated individual crustacean shell armor armour armoured armored protect protected protection hard sheild shield colour color colourful colorful vibrant vibrent vibrint shell shells mollusc molluscs Molluscs |Giant Clam (Tridacna maxima)

Pacific Oysters (Crassostrea gigas) growing on shore rocks below high tide line.
Pacific Oysters (Crassostrea gigas) growing on shore rocks below high tide line. mass many group together same identical similar crustacean shell armor armour armoured armored protect protected protection hard sheild shield bivalves bivalve mollusc molluscs shell shells sharp cut cutting razor brittle Molluscs |Pacific Oysters (Crassostrea gigas)

King Scallop (Pecten fumatus) with algae growing on shell.
King Scallop (Pecten fumatus) with algae growing on shell. single one alone lonely isolated individual camouflage camoflage camouflaged camoflaged hidden hiding hide cryptic bivalve shell shells mollusc molluscs Molluscs |King Scallop (Pecten fumatus)