i am relatively new to breeding and have never crossbred before. i crossbred a plain blue female guppy with an endlers guppy i got at petsmart last week. will it be a big endlers guppy or a tiny blue fancy guppy?
or is it just chance?
Agreed that chain store fish are a lot of time not "pure" particularly when it comes to smaller species such as this.
The fact that they are kept in massively overcrowded tanks leads to the possibility of a rogue fish getting in and creating hybrid fry. They also as well bulk order from suppliers which are not always careful in selecting the right fish for community tanks in pet stores.
Good luck with the breeding, perhaps post some pictures of the new fish when they get old enough to be able to do so.
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