Craypots are a serious navigational hazard for yachts sailing the Western Australian coast, more so than in many other parts of the world because they are unmarked and use long floating lines.
Boat entanglement log and entanglement prevention
This report documents instances of boat entanglements and identities possible solutions:
Pot avoidance: multi-beam sonar trials
This report describes a trial to asses whether craypots can be seen using multi-beam sonar. (spoiler alert: they can’t):