Beard algae (hey StirCrazy)
You are right except possibly the size. I think you probably need something bigger that a 30 for it to reach 4" in a year [img]smile.gif[/img] As for the barbels I think I remember one has two and the other fox has four barbels. Trying to see that tends to make you go blind. :D
Bob
PS the stripe is the best indicator.
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