Jim Morcombe wrote:

I think those that happily raise "feeder fish" would say "yes", while
those that run around the garden catching snails and mixing up prawn
jelly would say "no".

I'm assuming the argument is centred around culling fish when the cycle is
complete, so that the tank can be stocked with a more exotic species?

I have no qualms about feeding guppy fry to my dempseys & convicts... but i
still don't like the idea of using fish solely to cycle a tank knowing that,
if the cycle doesn't kill them, i'd have to when the cycle is complete... it
seems a bit brutal when there are other ways to kick start a tank.

However, i don't see anything wrong with advising a new fishkeeper to
lightly stock their tank with a few tetras or barbs to get it going as
there's a very good chance the fish will be fine.



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