From what I understand, some killies are something called "annual" fish. They basically hatch, mature, spawn and die in a mud puddle (or equivalent) that comes with seasonal rains. Then the eggs dry up with the onslaught of dry season to await the next season's rains to start the cycle anew. Because of this the eggs can actually be mailed when they're in that dormant state and then when introduced to the proper conditions will hatch and produce fry.
I believe because of this killies are rather short lived fish, although they will live longer than the one season they would in the wild.
There are some awful pretty ones though.
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Sláinte!
Cindy
55 gallon - Hi-Res — 2wpg CF lighting; pressurized CO2; 18 watt Turbo-twist UVS; Eheim Pro II 2028; eco-complete; 2 Pearl Gouramis; 7 Harlequin Rasboras; 3 Otocinclus catfish
10 gallon — lo-tech; 1.8 wpg DIY CF light; no CO2; Aquaclear mini; Schultz substrate; java fern; java moss; 7 Neon Tetras; 1 flame dwarf gourami
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