Need tiny piscivore for guppy tank

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Based on this discussion, I am considering a small freshwater goby species or a hardy tetra. Thanks for the leads!
 
Based on this discussion there are only a few tidbits of advice I would consider. Yes any tetra will take care of small babies. Any babies that alude them for a while will still grow up.

Lupin was on with the blue rams, they will wipe out most fry. Just make sure your hiding spots are on the bottom for the fry so they don't spend all their time out of the rams domain.

I have never had problems with adult angels eating adult guppies. Maybe if you have some neon tetra sized runts they will... but those need to be gotten rid of too!

I would leave live bearers out of the situation because it would only take introducing 1 female that had been in contact with a male in the last 3 months to make babies. Since live-bearers are more of a "love the one your with" type of animal; they have no qualms reproducing with their children. I guess if they were all male that would be ok.

FWIW I think the ram idea is dead on. BTW, you can always trust info from Lupin.
 
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