The reproductive diversity of extant cartilaginous fishes (class Chondrichthyes) is
extraordinarily broad, reflecting more than 400 million years of evolutionary history. Among …

The subfamily Potamotrygoninae, the only extant clade of elasmobranchs exclusive to
freshwater environments, encompasses four genera and 38 species distributed across …

Abstract Endemic South American river stingrays (Potamotrygonidae), which include the
most diversified living freshwater chondrichthyans, were conspicuously absent from pre …

This is the first report of morphological abnormalities in embryos of Roger's roundray
Urotrygon rogersi in the Tropical Eastern Pacific. The embryos of two pregnant females …

This study reports the first bicephalic embryo of smalltail shark Carcharhinus porosus, which
was removed from a pregnant female in coastal waters of the tropical eastern Pacific Ocean …

Описан опыт разведения и размножения пресноводных скатов семейства
Potamotrygonidae, рода Potamotrygon, видов P. motoro и P. henlei (речные хвостоколы) в …

The authors present two cases of abnormalities recorded in two elasmobranch species from
northern Tunisian waters. A pregnant common torpedo Torpedo torpedo captured in the …

The yellow stingray, Urobatis jamaicensis (Cuvier 1817), is a common saltwater stingray
species that can administer a fast, venomous sting, usually as the result of being …

Manta rays and their relatives of the family Myliobatidae have pectoral fins that have been
modified for underwater flight, as well as a pair of fleshy projections at the anterior of the …

Morphological abnormality in the longnose stingray Dasyatis guttata (Myliobatiformes:
Dasyatidae) in the Colombian Caribbean Page 1 Morphological abnormality in the …