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Re: Ostracods (wasAPD V4 #629

Hello Bob,

Ostracods have a tough shell and are not an ideal food for fish fry.

Ceriodaphnia dubia (obtainable from labs doing EPA work) is small and
its young are equal or smaller than S.F. bbs. All fry take it readily.



> Date: Tue, 24 Oct 2000 19:03:23 EDT
> From: IDMiamiBob at aol_com
> Subject: Re: Ostracods
> Paul writes:
> > Those little 1 to 2 millimeter round ostracods are everywere.  Their eggs
> >  are really tiny and could have come in on any of the plants or on the
> >  shells of the snails.  I bet you had those little guys a long time before
> >  you noticed them.  Fish never seem to get them all.  I am beginning to
> >  suspect that Ostracod eggs are resistant to drying and bleach treatments,
> >  and who knows what else.  They probably couldn't survive autoclaving or a
> >  direct nuclear hit, but that is only a hypothesis!
> Anyone know where I can get a starter culture of these, and whether they
> would make a good thing for feeding fry?  If I kept a colony of adult
> ostracods in a fry tank, could they be encourage to multiply fast enough to
> be a primary food source?
> Bob Dixon