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In the thirty some years that I have been breeding
killifish, I have concentrated almost exclusively on
annual killifish.  In that time I have had reasonable
success with South American annuals and various
species of Nothobranchius, but limited success with
the west African soil spawners.  I have used garden
peat moss, peat pellets, crushed walnut shells, fine
sand, gravel, and glass beads.  I have had the most
consistant success using peat pellets that have been
rinse after sinking and one week in a bowl with
breeders and then rinse and set aside for storage.  I
have recently come across a product called Oak Leaf
Mold.  The material appears to be shredded oak leaves
in which the stems have been removed.  The size of the
individual oak blades appears to be 2 - 4 mm in size. 
After boiling to make the product sink, the water
becomes quite dark with tannins from the leaves and
the pH of water stored over this material becomes (for
my water 300PPM, pH 7.8) quite acidic around pH 6.0. 
Because of the larger size of product, the fish cannot
scatter the oak leaf mold as much as peat moss.  This
material appears to be penetratable for the breeders
and doesn't scatter nearly as much as fine peat moss. 


I plan on using (experimenting with) this material
with Nematolebias whitei and seeing how it works,  Has
anyone out there attempted to use this material and if
so how well has it worked for you?

=====
Allen H. Johnson
132 Whispering Oaks Dr.
West Chester, Pa.  19382

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