How do you know when it is time for fish to mate?
Hey there, Depends on what what breed it is. Guppies, platies, mollies, swordtails breed all the time if the water hardness is right. Gourami will breed when a male is feeling like making a bubble nest which i think is normally spring and/or autum. Gold fish are normally in spring but need decent water conditions. And so forth. But If i didnt work at an aquarium for a few years I would have never known that most aqauriums only order in male gouramis and cichlids unless there has been a special order or the order is for mixed sexes, so u better make sure that u have different sexes first and sometimes it can be hard to tell. Do abit of research on the net or at the library and that should help u out. If u have any other questions u can message me at www.myspace.com/wahbeagle Hope that helped. catch!
One time I had two goldfish and they had 38 "fishlings" (As my sister calls it...). I have a silverside that has eggs. A silverside isn't sold in pet stores. :( ==== Not all tropical fish mate in an aquarium. Why,I do not know. Sometropical fish that will mate in a tank are guppies and mollies which are live bearers. Tetras and barbs are egglaying fish.
Except in the case of livebearers when you will see it happening all the time, it is unusual for fish to mate in captivity without the Aquarist actually setting up specific conditions that are necessary for fish to mate. Different species require totally different water parameters and tank conditions..