My guess...
[1] C. atropersonatus (colors somewhat pale)
[2] C. robineae
[3] C. aeneus ????
[4] ??? doubt if it's agassizii
[5] C. aeneus ???? still doesn't look like a concolor ley...
[6] juvenile C. napoensis???
Perhaps other more knowledgeable members can chip in.
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