West Coast Aquaculture Gear These are the different types of gear and methods used to farm shellfish and seaweed along the West Coast. Farmed Harvested Gears Gear Type - Any -BottomOff-BottomSuspended LonglineTanks Location(s) - Any -CAORWA Species - Any -Geoduck ClamLittleneck ClamManila ClamMusselsOgo SeaweedOlympia OysterOystersPacific DulsePurple Sea UrchinRed AbaloneSea LettuceSugar Kelp Apply Broadcast Bottom Culture Mimicking a natural oyster reef for oyster and clam culture. EXPLORE Broadcast Bottom Culture Off-Bottom Bag and Stake Culture Bags or lines raised off the bottom for shellfish culture. EXPLORE Off-Bottom Bag and Stake Culture Planted and Bag Bottom Culture Series of tubes inserted into, or bags resting on, the bottom for shellfish culture. EXPLORE Planted and Bag Bottom Culture Suspended Longline Culture A series of ropes, floats and anchors used to suspend and grow shellfish and seaweed EXPLORE Suspended Longline Culture Tank Culture Using seawater tanks onshore to grow shellfish and seaweed. EXPLORE Tank Culture