Beet Spiders are easily identified because they only have seven legs. After millions of dollars worth of government-funded research, scientists have determined that the Beet Spider is so mean that sooner or later it bites one of its own legs off. Some have only six legs, or even five. You really want to stay away from those.
Never bring beets on a boat !!!
Mussels are easy. they grow almost everywhere - on any hard surface. They are the lawn grass of the sea. All you have to do is pluck them and put them in your bag. Don't waste a lot of time selecting them individually underwater. Just grab big clumps as fast as you can, and stuff them in your bag. Sort them out topside later, when your nitrogen clock isn't running. Take more than you think you'll want because you will end up discarding a lot of what you take this way.
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