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water incubation of eggs
In the late 60's and early 70's, Joe Ricco in San Jose, California
experimented with and wrote articles on water incubating of Notho eggs.
He picked eggs from peat and kept the roe in petri dishes of sorts with
a tint of anti fungal agent (Methyline blue, I believe). The roe were
kept at around 80F in a darkened incubator--checked frequently and bad
eggs removed--until a well developed fry was evident in the egg. They
then were placed in peat for 2-4 weeks before wetting. Having used this
method during that time I can concur with Brian and Barry -- a longer
incubation is desirable for the reasons given and that water incubated
eggs resulted in far fewer of the original group of eggs successfully
hatching. At the time, however, N. rachovii and many other Nothos were
just very difficult to obtain and any procedure that would provide more
annuals to the membership was applauded.
The thought was -- when eggs were deposited in the wild, wouldn't they
be water incubated, for a period, before all the water had dried up?
Hank Marzina