well peter, to me they look well on the pictures... i would only raise the temp a bit in combination with the humidity.. it sometimes happen after a bit rough incubation time here as well, the will shed... make them eat and watch... again - congratulations peter... i love your black mambas as you know... i still have a nice subadult couple from you...
cheers
Mario
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Attitude, rather than disposition is more definitive of serpent behavior. From the moment they emerge into this world until they complete their life cycle, their attitude is "Don't tread on me. I am well equipped to defend myself, but content to pass through life unnoticed. I mean no harm to anything or anyone that our creator has not provided as my bill of fare; I am self sustaining and I like it that way, please pass me by." - W.E. Haast