Prominent among these, in some species, is a pair of claws at its tip. I just got 3 guppies, but I think I accidentally put in 1 male and 2 females. Guppies have 23 pairs of chromosomesincluding one pair of sex chromosomesthe same number as humans. When observing male guppies you will notice that they have huge tails as well fins that are very colorful indeed. No significant difference is seen in postreproductive lifespans. It involves copulation, and females give birth to live young. The gonopodium has a channel-like structure through which bundles of spermatozoacalled spermatozeugmata, are transferred to females.
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Appearance of Male Guppies When observing male guppies you will notice that they have huge tails as well fins that are very colorful indeed. The hypothesis was supported in laboratory experiments. In courted mating, where the female shows receptive behavior following the male's courtship display, the male briefly inserts the gonopodium into the female's genital pore for internal fertilization. Coming on to the anal fin, if you see that the anal fin tends to be elongated as well as pointed then it will definitely be a male. Archived from the original on 7 December