I have heard that the temperature of the tank water affects the sex of the fry when incubating eggs. Is this true?

I have a spawn of hi fin paleatus and there seem to be more males than females. Does it happen with all fish?

If so, which temp produces more females versus males?

There was once similiar thing with glowing tetras i think... tank breed glow-in-dark fish... one piece 8$ i think, and every one is sterile just to protect their investment... The Glofish (zebra danios with coral DNA spliced into their genes) are not sterile, they will breed true, but you must be ...

Medaka,
That is where I got the guppies, out of Florida. Maybe that is why they told me to use salt. I will try your suggestion and try to slowly stop using the salt with them. But I still need to know, for now, if the salt will harm the corys.
John

Silurus, I was talking to the supplier that I bought the Delta Cobra Green guppies from and was complaining that they were dying right and left. I was told that those guppies need salt in the ratio of 1/2 cup to each 5 gallons of water. I have since added salt to the tank and they stopped dying ...

Hi, I am new to the forum and have a question that has probably been posted and answered before. I couldn't find it or maybe I couldn't use the Search right, so, here goes. I recently acquired a 'breeding group' of 5 albino corys (3 males-2 females) at a club auction. I would like to keep them with ...