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Another old time favorite, the Platys good nature and bright colors
keeps it a constant top pick for a community set up.
| Quick stats:
Listed tank sizes are the minimum
||Up to 2" (5cm) females larger
||7.0 to 8.3
|| Medium to hard. dH range: 10-28
Platy , Topsail or Rainbow platy
Wide spread throughout Central America from Mexico to Guatemala
General body form.
Some specimens are elongated with both Dorsal and Ventral profiles slightly
curved out or convex, but mostly they are thick-bodied with a high back.
The Dorsal fin has nine or ten fin rays, except for the high-fin varieties.
They resemble the less seen X. variatus. The females are larger reaching
a length of two and one half inches and the males top out at one and
one half inches.
The original wild form was a plain grayish brown to olive color, showing
a slight sparkle. There were also salt and pepper markings scattered
over the body. The many wild varieties have been crossbred and combined
so often, the range of colors and fin shapes is almost unlimited with
variations showing up almost on a monthly basis.
Varieties that have remained popular in the hobby include the Red-Wag-tail
Platy, Tuxedo Platy and many variations on the high fin theme.
An easily cared for fish that does well in all types of community aquaria.
Give them a fairly large tank with live plants and open swimming areas,
avoid too much driftwood as a rule the livebearers do not like acidic
water. Although not a schooling fish they benefit by being kept with
a large number of their own kind. Temperature range from sixty-eight
to seventy-seven degrees
As the male matures the Anal fin develops into a structure for reproduction
called the Gonopodium. The Gonopodium can be moved in almost any direction
and stores the sperm in packs called spermatophores. Once the sperm
is inserted into the female it fertilizers her eggs and the rest is
stored in the Oviduct walls for later use. The eggs are very rich in
yolk and the young develop by consuming their yolk stores. In light
colored females pregnancy can be recognized by the growing dark body
marking in front of the Anal fin.
Young Live-bearers are fairly large at birth and their development
is very advanced. They can swim right away, which is needed to avoid
their enemies including their parents who give no natal care whatsoever.
The fry grow very rapidly and will eagerly accept fine flake food.