Spontaneous Parthenogenesis in a Fish

  title={Spontaneous Parthenogenesis in a Fish},
  author={H. Spurway},
THE guppy, Lebistes reticulatus, is a viviparous fish the reproductive physiology of which has been well studied (bibliography in Gordon1). A female, D9, of English domestic stock of this species born October 5, 1950, was separated from adult males twelve days after birth. The litter of which she was a member were placed in separate jars when thirty-nine days old. The first sign of differentiation of the anal fin into a gonopodium was seen in one of her brothers twelve days later, the family… CONTINUE READING

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Facultative parthenogenesis in vertebrates: reproductive error or chance?

Sexual development : genetics, molecular biology, evolution, endocrinology, embryology, and pathology of sex determination and differentiation • 2008
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