Thanks for that referral, that is a fun film and an impressive beast. I also noticed some related films to trapping crayfish down in the cypress swamps. My traps usually yield far more per trap, but I am not competing with commercial ventures and probably the Oregon resident who started this thread won't either. For those unfamiliar, many crayfish populations are nonnative invasives, and trapping them is desirable. They are an issue in California and Arizona for sure.

I often find huge crayfish in the bellies of bullfrogs, which I can only assume digest the shells. I am thinking the reddish colors in the shells may be a source of carotenel, and I wonder if it may influence colors in monitors? Certainly it does in salmon and trout.

I think the Australians have crayfish too, they call them "yabbies" or similar...? Do wild populations of monitors commonly consume them in Australia? Crocdoc or FR, do you know? Yes, I know captive is a different situation, I am just trying to learn more about monitors and the range of diet that is commonly consumed. Thanks, Vic

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