[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Do pond snails eat fish eggs?
Wright Huntley wrote:
> gunnar asblom wrote:
> > Mine are not at least not the smallones.Even use them in my eggboxes and
> > the result will be that they eat the bad eggs,some killis may have
> > softer eggshell than others so I cant garanti it is valid for all but
> > with most of the Aphyosemions it works great.For the eggboxes use the
> > smaller ones.
> I have seen small snails eat *very* fresh eggs before the chorion gets a
> chance to harden up. Neither small pond snails nor small ramshorns seem to
> bother most killy eggs after they harden for a day. I don't trust the larger
> grown ones though. Malaysian Trumpet Snails (MTS) are an exception. I think
> they can and will eat any eggs they can find. That's been my experience,
We have to go a littel deper in this.I saying that they not eating
fertilised eggs,they eat unfertil eggs.How to see that a egg is
fertilised?A fertil egg have doubel eggshells like an apelsin we can see
it in good light and using a enlargerglass,after a egg have been
fertilised it wery quick be bigger and the eggshell will be harder.
Snails go after smell and not after their eyes and a fertile egg dosent
smell.A unfertile egg smell as fresh dead meat does but we are not abel
to se change in colour the first 10-20 hours.So if you have seen they
eating eggs it is probly the unfertil eggs.The good thing is that the
snails will detect a bad egg before we normaly do it and eat it before
the fungus have a chance to attak it.Have no expirence with ramshorn.
See http://www.aka.org/AKA/subkillietalk.html to unsubscribe