Results 1 to 10 of about 686 (152)
I Like This New Me: Unravelling Population Structure of Mediterranean Electric Rays and Taxonomic Uncertainties within Torpediniformes [PDF]
Animals, 2023 The present study focused on the three species of electric rays known to occur in the Mediterranean Sea: Torpedo torpedo, Torpedo marmorata and Tetronarce nobiliana. Correct identification of specimens is needed to properly assess the impact of fisheries
Riccardo Melis +10 more
doaj +7 more sources
The Phylogeny of Rays and Skates (Chondrichthyes: Elasmobranchii) Based on Morphological Characters Revisited [PDF]
Diversity, 2022 Elasmobranchii are relatively well-studied. However, numerous phylogenetic uncertainties about their relationships remain. Here, we revisit the phylogenetic evidence based on a detailed morphological re-evaluation of all the major extant batomorph clades
Eduardo Villalobos-Segura +6 more
doaj +8 more sources
Bio-Ecological Features Update on Eleven Rare Cartilaginous Fish in the Central-Western Mediterranean Sea as a Contribution for Their Conservation [PDF]
Life, 2021 Cartilaginous fish are commonly recognized as key species in marine ecosystems for their fundamental ecological role as top predators. Nevertheless, effective management plans for cartilaginous fish are still missing, due to the lack of knowledge on ...
Antonello Mulas +7 more
doaj +5 more sources
A Novel Rubi-Like Virus in the Pacific Electric Ray (Tetronarce californica) Reveals the Complex Evolutionary History of the Matonaviridae [PDF]
Viruses, 2021 Rubella virus (RuV) is the causative agent of rubella (“German measles”) and remains a global health concern. Until recently, RuV was the only known member of the genus Rubivirus and the only virus species classified within the Matonaviridae family of ...
Rebecca M. Grimwood +2 more
doaj +2 more sources
Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal [PDF]
Geologica Acta, 2019 The Langhian Vc unit of Brielas section (Caparica road, Almada), in the marine Miocene of the Lower Tagus Basin (West Portugal), is rich in batoid species.
P. Fialho, A. Balbino, M.T. Antunes
doaj +9 more sources
Ciencias Marinas, 2023 Narcine entemedor and Rhinoptera steindachneri are 2 viviparous batoid species of commercial importance on the Pacific coast of Mexico. However, no adequate management plan has been set forth for either of them to ensure sustainable use.
Maria Itzigueri Burgos-Vázquez +5 more
doaj +1 more source
Neotropical Ichthyology, 2019 This study provides information on the reproductive biology of the Brazilian blind electric ray Benthobatis kreffti, endemic to southern and southeastern Brazil. Individuals were caught by bottom trawl carried out in 2003 and 2007, at 492-501 m depth off
Mariana F. Martins, Otto B. F. Gadig
doaj +1 more source
Parasite, 2018 During a survey on the myxosporean fauna of Rajiformes from the Atlantic coast of Argentina, in waters off Buenos Aires Province (34°–42°S; 53°–62°W), the gall bladders of 217 specimens belonging to seven species of skates, representatives of two ...
Cantatore Delfina María Paula +6 more
doaj +1 more source
Frontiers in Genetics, 2018 Elasmobranchs, the group of cartilaginous fishes that include sharks and rays, are especially vulnerable to overfishing due to low fecundity and late sexual maturation.
Fernanda Almerón-Souza +8 more
doaj +1 more source
Spatial variability of Chondrichthyes in the northern Mediterranean
Scientia Marina, 2019 Thanks to the availability of the MEDITS survey data, a standardized picture of the occurrence and abundance of demersal Chondrichthyes in the northern Mediterranean has been obtained.
Maria C. Follesa +20 more
doaj +1 more source