Neotropical Ichthyology, 2021 The feeding habits of Urotrygon microphthalmum, a Critically Endangered (CR) species, were investigated through stomach contents analysis from specimens caught on bottom double rigged otter trawls in Pernambuco state, Brazil, between March of 2010 and ...
Jones Santander-Neto +3 more
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Branching patterns of the afferent branchial arteries and their phylogenetic significance in rays (Batoidea) [PDF]
Scientific Reports, 2021 Rays of the superorder Batoidea comprise the most diverse group of chondrichthyans in terms of valid species and morphological disparity. Up to the present little agreement is observed in studies based on morphological and molecular data focused on ...
Karla D. A. Soares, Mônica Toledo-Piza
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First records of Bathytoshia brevicaudata (Hutton, 1875) (Myliobatiformes, Dasyatidae) from China with mitogenomic evidence [PDF]
Zoosystematics and EvolutionThis study presents the first records of the Broad-tail Stingray, Bathytoshia brevicaudata (Hutton, 1875), in the East China Sea, significantly extending its known distribution in the Northwest Pacific.
Jia-Jie Chen +9 more
doaj +4 more sources
Venom gland transcriptome analyses of two freshwater stingrays (Myliobatiformes : Potamotrygonidae) from Brazil [PDF]
Scientific Reports, 2016 Stingrays commonly cause human envenoming related accidents in populations of the sea, near rivers and lakes. Transcriptomic profiles have been used to elucidate components of animal venom, since they are capable of providing molecular information on the
Alencar, Sérgio Amorim de +9 more
core +5 more sources
Complete mitochondrial genome of the river stingray Potamotrygon orbignyi (Myliobatiformes: Potamotrygonidae) [PDF]
Mitochondrial DNA. Part B. Resources, 2019 The river stingray Potamotrygon orbignyi is a carnivorous bottom feeder that is widespread in the Amazonian region. We here assemble the 17,449 bp complete mitochondrial genome of the species, showing a typical gene arrangement as for related ...
David Ory +5 more
doaj +4 more sources
DiversityIn Brazil, the Whitespotted Eagle Ray Aetobatus narinari is considered data-deficient due to the scarcity of basic information on its biology, ecology, and vulnerability to capture.
Priscila R. V. Araújo +5 more
doaj +2 more sources
How many lineages are there of the stingrays genus Hypanus (Myliobatiformes: Dasyatidae) and why does it matter? [PDF]
Neotropical IchthyologyStingrays genus Hypanus currently encompasses nine valid species from the Atlantic and Pacific oceans, though the phylogenetic relationships amongst some of them were based on a single mitochondrial gene and did not involve all putative Hypanus species ...
Flávia F. Petean +4 more
doaj +2 more sources
Nueva especie del género Urobatis (Myliobatiformes: Urotrygonidae) del Pacífico oriental tropical
Revista de Biología Tropical, 2015 Nueva especie del género Urobatis (Myliobatiformes: Urotrygonidae) del Pacífico oriental tropical. Una nueva especie de raya redonda con espina, Urobatis pardalis sp.
Luis Fernando Del Moral-Flores +3 more
doaj +7 more sources
Complete mitochondrial genome of the Devil Ray, Mobula thurstoni (Lloyd, 1908) (Myliobatiformes: Myliobatidae) [PDF]
Mitochondrial DNA. Part B. Resources, 2017 The Devil Ray (Mobula thurstoni) is a species with global distribution and is an important species in conservation terms, here we present its complete mitochondrial genome assembled with Illumina sequencing data.
Betsaida Santillán-Lugo +5 more
doaj +3 more sources
Testicular Morphology and Spermatogenesis in Potamotrygon motoro: Insights Into Reproduction of Freshwater Stingrays. [PDF]
J MorpholElectron microscopy of Potamotrygon motoro spermatozoa. a – Illustration of a schematic sperm cell depicting the helical head, intermediate piece (midpiece), and flagellum. b ‐ Helical heads (Hh) of spermatozoa inserted into the cytoplasm of Sertoli cells (S) through openings in the plasma membrane. Scales: 10 μm.
Delgado MLR +6 more
europepmc +2 more sources