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Showing 1 to 4 of 4 for “"Killifishes"”.

  1. Chromosomal complements and variation in some Venezuelan annual killifishes (cyprinodontidae)

    Karyotypes of nine species of Venezuelan annual killifishes were compared. Karyotypic differences were found between species and between some genera. A chromosomal sexual dimorphism was found in <u>Pterolebias hoignei</u> (2N = 46). Males of this species possess a single large "Y" chromosome. No …

    vt Repository record for Chromosomal complements and variation in some Venezuelan annual killifishes (cyprinodontidae) (opens in a new tab)

  2. Tests of Reproductive Isolation Between the Fishes Fundulus heteroclitus and F. grandis

    The closely related killifishes Fundulus heteroclitus and F. grandis hybridize in a small region where their ranges overlap in coastal northeastern Florida. Hybrids of these species are rare in frequency within the contact zone, suggesting the presence of relatively strong reproductive isolation …

    unf Repository record for Tests of Reproductive Isolation Between the Fishes Fundulus heteroclitus and F. grandis (opens in a new tab)