>>4468849
>acclimation matters
My experience with endlers, guppies, and hybrids of the two suggests this isn't the case. I've gotten them piecemeal and in small groups from a bunch of sources, and haven't seen any correlation between the way they were introduced and mortality.

>>4468570
Is your water soft or acidic? Adult fancy guppies that aren't raised in it have a hard time making that jump, in my experience. Guppies born in tank are really hardy - assuming you avoid adding outside pathogens - but once they're adults, males in particular can't deal with the changing water very well. They don't give two shits about nitrates, but as best I can tell, their immune systems drop significantly when they are adjusting to a "new normal" and many of them just can't make it.

The hardiest populations for me have been hybrid fry that barely have colors showing, who seem to make the jump easier than full adults. That said, I've also gotten batches of (afaik) full-blood guppies that had no health problems, so some of it may also be the pathogens in their "home" tank vs the new ones.

In general I think endlers are much hardier than guppies and a couple generations of cross breeding results in the ideal males - but females revert to gray/green "generic fish" color though and are as big as guppy females. So in summary, get dwarf fireball platys instead of guppies.

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Manmade Horrors Beyond my Acquisiton EditionPrevious >>4460268Discus anything aquarium related here, including inhabitants, decor, and…

Manmade Horrors Beyond my Acquisiton Edition
Previous >>4460268
Discus anything aquarium related here, including inhabitants, decor, and…