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babies


monaro1

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ok,babies,good,

problem,dont know where thay come from.

the tank is only 2 weeks old,i set it up because my wife wanted one with plants in it .its not a big one only 160lt it has

4 glass cats (borring fish)

4 hi fin sword / 1 male

30 neons

6 plattes,i think, wife brought

there is about 15 to 20 babies hard to count with plants,thay range from 5mm to 11mm long,most still seethrough with a tint of light brown,bigger ones seethrough but orange.

problem thay dont look like anyone else.

1st time with fish babies

mark

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Same Genus different species.

Swordtail - Xiphophorus helleri

Platy - Xiphophorus maculatus and Xiphophorus variatus.

I wonder if swordtail/platy hybrid offspring can produce fertile young, because that would kind off make them the same species wouldn't it?

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kriber said...

> I wonder if swordtail/platy hybrid offspring can produce

> fertile young

They can. Most of the swordtails and platys we see are hybridised.

All three species cross freely and produce fertile young. I don't

know the last time I saw a decent 'variatus' platy...

> because that would kind off make them the same species

> wouldn't it?

By some of the more rigid definitions of species, yes. In the

real world, there are many fertile interspecific (and even some

inter-generic) hybrids. Plants are even more promiscuous than

animals...

Andrew.

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Why buy liqui-fry, when an emulsion of cooked egg yolk is sufficient for the egg layers, then bbs.

For the live bearers, use finely ground up flake from birth.

Always have a few snails in the tank with the babies,

they help stop the pollution, which you should combat anyway,

with water changes.

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  • 2 weeks later...

thay are platys,5 left,all about 17mm long,all very happy.

my wife is going to buy me a gold nugget pleco for christmas can it go in this tank or is it going to mowdown my plants :evil: or maby upset my baby fish :cry:

still get the pleco :D ,great looking fish and plenty of room in the other tanks,

would look good with the plants though and he is only small about 80mm long

merry christmas to all

from mark goy

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You could try feeding microworms as well, they're really easy to keep. They can also be mailed with a bit of water double-bagged in ziplock bags in a normal envelope. I got mine that way, and they took off really well. PM me if you want me to mail some.

About the interbreeding, I've heard that both species carry pairs of lethal genes and others that suppress them. All first generation hybrids will have complete pairs, but a percentage of the second generation will carry a lethal gene without the suppressor. This can cause death. This limiting factor means that they count as seprate species. I may be wrong, as I can't even remember the details or where I read it any more.

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