12-10-2009, 08:26 PM
| || | Guppies and Inbreeding
When it comes to guppies, how inbred is too inbred?
Here's my situation: I got 2 pregnant females, 3 adult males, and a bunch of assorted juvenile male and female guppies for free from a woman whose tank was overflowing. They range in age from probably 1 week old to 2 years old. I also have a single adult male I bought from Petco. I suspect that the guppies I bought from the woman are relatively inbred since she said "she bought 'a few' and now she's overun". Over half of them have a black spot on the top of their heads. Could this be because they were all descended from one original guppy? Also, if they are inbred, how can I solve the problem without buying a bunch more to "mix up" the gene pool? Will my one male's new genes be enough for a few weeks till I get a bigger tank and add a couple more females?