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Karyotype description and evidence of multiple sex chromosome system X1X1X2X2/X1X2Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in the upper Paraná River basin, Brazil

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By: Cruz, Vanessa Paes da - Shimabukuro-Dias, Cristiane Kioko. - Oliveira, Claudio de - Foresti, Fausto

Type: Article

In: Neotropical Ichthyology

Date: 2011-03-01

Subjects: C-band cytogenetic Fish NOR Stingrays
First record of morphological abnormality in embryos of Urotrygon rogersi (Jordan & Starks, 1895) (Myliobatiformes: Urotrygonidae) in the Tropical Eastern Pacific

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By: Mejía-Falla, Paola A - Navia, Andrés F - Muñoz, Luis A

Type: Article

In: Latin american journal of aquatic research

Date: 2011-01-01

Subjects: batoids Colombia deformities Stingrays Tropical Eastern Pacific Urotrygon rogersi