difference? The only relationship he will have with her is one or two procreative activities. It really doesn't make sense to interpret a fish's activities from a human perspective.
Of course from a man's perspective it still takes very little effort to sire a child. It does take 20-30 years to be a real man and be a father. (And try as we might, we will still get some of it wrong.)
Gently defrosted frozen food is put into a small jar of Luke warm or cool water. Freezing breaks open enough shells and cells in the frozen food. Commercial flash freezing should mess up less, but there will still be some waste material. Hot water used to defrost would break open even more. The rinse through a net or sieve allows us to pour that organic soup off so we haven't just doubled the ammonia in our fish tank.
Putting the stuff in a jar of clean, seasoned water (I have the luxury of using RO water so the TDS isn't raised too much) allows us to use a turkey baster or smaller pippet, dedicated to the fish, to feed at a fairly precisely location and to feed just what the fish can consume.
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