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Synonyms:
   Amblyraja (stout skates) 

Broader Terms:
   Amblyraja (stout skates) 
   Amblyrajini (stout skates) 
   Rajidae (skates) 
   Rajinae 

More Specific:
   Amblyraja badia (Broad skate) 
   Amblyraja doellojuradoi (Ray) 
   Amblyraja frerichsi (Ray) 
   Amblyraja georgiana (Antarctic starry skate) 
   Amblyraja hyperborea (Boreal skate) 
   Amblyraja jenseni (Raie de Jensen) 
   Amblyraja radiata (Starry ray) 
   Amblyraja reversa (Reversed skate) 
   Amblyraja robertsi (Bigmouth skate) 
   Amblyraja taaf (Whiteleg skate) 
 
 
Latest Articles on Amblyraja Malm, 1877 from uBioRSS
DNA barcoding of the northern Northeast Atlantic skates (Chondrichthyes, Ra... - Zoologica Scripta
The dentition of the narrownose smooth-hound shark, Mustelus schmitti - Marine and Freshwater Research


External Resources:

Common Names: stout skates



1.  Phenotypic regionalization of the vertebral column in the thorny skate Amblyraja radiata: Stability and variation.LinkIT
Berio F, Bayle Y, Riley C, Larouche O, Cloutier R
Journal of anatomyJ AnatPhenotypic regionalization of the vertebral column in the thorny skate Amblyraja radiata: Stability and variation.10.1111/joa.13551Regionalization of the vertebral column occurred early during vertebrate evolution and has been extensively investigated in mammals. However, less data are available on vertebral regions of crown gnathostomes. This is particularly true for batoids (skates, sawfishes, guitarfishes, and rays) whose vertebral column has long been considered to be composed of the same two regions as in teleost fishes despite the presence of a synarcual. However, the numerous vertebral units in chondrichthyans may display a more complex regionalization pattern than previously assumed and the intraspecific variation of such pattern deserves a thorough investigation. In this study, we use micro-computed tomography (µCT) scans of vertebral columns of a growth series of thorny skates Amblyraja radiata to provide the first fine-scale morphological description of vertebral units in a batoids species. We further investigate axial regionalization using a replicable clustering analysis on presence/absence of vertebral elements to decipher the regionalization of the vertebral column of A. radiata. We identify four vertebral regions in this species. The two anteriormost regions, named synarcual and thoracic, may undergo strong developmental or functional constraints because they display stable patterns of shapes and numbers of vertebral units across all growth stages. The third region, named hemal transitional, is characterized by high inter-individual morphological variation and displays a transition between the monospondylous (one centrum per somite) to diplospondylous (two centra per somite) conditions. The posteriormost region, named caudal, is subdivided into three sub-regions with shapes changing gradually along the anteroposterior axis. These regionalized patterns are discussed in light of ecological habits of skates.© 2021 Anatomical Society.BerioFidjiFhttps://orcid.org/0000-0003-0810-9783Laboratoire de Paléontologie et Biologie Évolutive, Université du Québec à Rimouski, Rimouski, Québec, Canada.BayleYannYhttps://orcid.org/0000-0002-5143-2335Université de Bordeaux, Bordeaux INP, CNRS, LaBRI, UMR5800, Talence, France.RileyCyrenaCLaboratoire de Paléontologie et Biologie Évolutive, Université du Québec à Rimouski, Rimouski, Québec, Canada.LaroucheOlivierOhttps://orcid.org/0000-0003-0335-0682Laboratoire de Paléontologie et Biologie Évolutive, Université du Québec à Rimouski, Rimouski, Québec, Canada.Department of BioSciences, Rice University, Houston, Texas, USA.CloutierRichardRhttps://orcid.org/0000-0001-5780-3304Laboratoire de Paléontologie et Biologie Évolutive, Université du Québec à Rimouski, Rimouski, Québec, Canada.engANR-10-LABX-19-01LabexMERDiscovery Grant from the Natural Sciences and Engineering Research Council of CanadaJournal Article20210919EnglandJ Anat01371620021-8782IMAmblyraja radiataaxial regionalizationelasmobranchsevolutionvertebral column2021090320210430202109062021920853202192160202192160aheadofprint3454217110.1111/joa.13551REFERENCES, 2021</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>2.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Parasitic flatworms infecting thorny skate, Amblyraja radiata: Infection by the monogeneans Acanthocotyle verrilli and Rajonchocotyle emarginata in Svalbard.</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Hermans R, Vanhove MPM, Ditrich O, Tyml T, Gelnar M, Artois T, Kmentová N<br><font color=gray><i>Parasitology international, 2021</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>3.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>HapSolo: an optimization approach for removing secondary haplotigs during diploid genome assembly and scaffolding.</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Solares EA, Tao Y, Long AD, Gaut BS<br><font color=gray><i>BMC bioinformatics, 2021</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>4.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Methods for identifying and interpreting sex-linked SNP markers and carrying out sex assignment: application to thornback ray (Raja clavata).</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Trenkel VM, Boudry P, Verrez-Bagnis V, Lorance P<br><font color=gray><i>Molecular ecology resourcesMol Ecol ResourMethods for identifying and interpreting sex-linked SNP markers and carrying out sex assignment: application to thornback ray (Raja clavata).1610-161910.1111/1755-0998.13225Sex-determining modes remain unknown in numerous species, notably in fishes, in which a variety of modalities have been reported. Additionally, noninvasive individual sexing is problematic for species without external sex attributes or for early life stages, requiring cytogenetic or molecular analyses when sex chromosomes or sex-linked markers have been characterized. Genomics now provide a means to achieve this. Here, we review common sex-determination systems and corresponding statistical methods for identifying sex-linked genetic markers and their use for sex assignment, focusing on single nucleotide polymorphism (SNP) markers derived from reduced representation sequencing methods. We demonstrate the dependence of expected sex assignment error on the number of sex-linked SNPs and minor allele frequency. The application of three methods was made here: (a) identification of heterozygote excess in one sex, (b) FST outlier analysis between the two sexes and (c) neuronal net modelling. These methods were applied to a large SNP data set (4604 SNPs) for 1680 thornback rays (Raja clavata). Using method (a), nineteen putative sex-linked SNPs were identified. Comparison with the reference genome of a related species (Amblyraja radiata) indicated that all 19 SNPs are probably located on the same chromosome. These results suggest that thornback ray has a XX/XY sex-determination system. Method (b) identified eight SNPs probably located on different chromosomes. Method (a) led to the lowest sex assignment error among the three methods (4.2% error for females and 3.7% for males).© 2020 John Wiley & Sons Ltd.TrenkelVerena MVMhttps://orcid.org/0000-0001-7869-002XEMH, Ifremer, Nantes, France.BoudryPierrePhttps://orcid.org/0000-0002-5150-2276CNRS, IRD, LEMAR, Ifremer, Univ Brest, Plouzané, France.Verrez-BagnisVéroniqueVhttps://orcid.org/0000-0002-7895-1581LEMMMB, Ifremer, Nantes, France.LorancePascalPhttps://orcid.org/0000-0002-6453-2925EMH, Ifremer, Nantes, France.eng773713 (PANDORA)H2020 EnvironmentANR-14-CE02-0006-01Agence Nationale de la RechercheJournal ArticleReview20200730EnglandMol Ecol Resour1014656041755-098X0Genetic MarkersIMAnimalsFemaleGene FrequencyGenetic MarkersMalePolymorphism, Single NucleotideSex ChromosomesSex Determination AnalysisveterinarySkates, FishgeneticsFST outlier analysisassociation-based approachneural netsex assignment errorsex-determination systemsex-linked SNPthornback ray202002102020061820200708202071460202181060202071460ppublish3265750010.1111/1755-0998.13225References, 2020</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>5.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Morphology and evolutionary significance of phosphatic otoliths within the inner ears of cartilaginous fishes (Chondrichthyes).</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Schnetz L, Pfaff C, Libowitzky E, Johanson Z, Stepanek R, Kriwet J<br><font color=gray><i>BMC evolutionary biology, 2019</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>6.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Two new species of Acanthocotyle Monticelli, 1888 (Monogenea: Acanthocotylidae), parasites of two deep-sea skates (Elasmobranchii: Rajiformes) in the South-East Pacific.</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Ñacari LA, Sepúlveda FA, Escribano R, Oliva ME<br><font color=gray><i>Parasites & vectors, 2019</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>7.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Combined Effects of Acute Temperature Change and Elevated <i>p</i>CO<sub>2</sub> on the Metabolic Rates and Hypoxia Tolerances of Clearnose Skate (<i>Rostaraja eglanteria</i>), Summer Flounder (<i>Paralichthys dentatus</i>), and Thorny Skate (<i>Amblyraja radiata</i>).</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Schwieterman GD, Crear DP, Anderson BN, Lavoie DR, Sulikowski JA, Bushnell PG, Brill RW<br><font color=gray><i>Biology, 2019</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>8.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Osmolyte Adjustments as a Pressure Adaptation in Deep-Sea Chondrichthyan Fishes: An Intraspecific Test in Arctic Skates (Amblyraja hyperborea) along a Depth Gradient.</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Yancey PH, Speers-Roesch B, Atchinson S, Reist JD, Majewski AR, Treberg JR<br><font color=gray><i>Physiological and biochemical zoology : PBZ, 2018</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>9.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Morphological and molecular evidence for a new species of Pseudanisakis Layman & Borovkova, 1926 (Nematoda: Ascaridida), parasitizing Rajiformes in southern Southwest Atlantic waters.</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Irigoitia MM, Braicovich PE, Farber MD, Timi JT<br><font color=gray><i>Parasitology research, 2017</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br>10.  <a href=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0 class=title>Description and quantitative analysis of the dentition of the southern thorny skate Amblyraja doellojuradoi.</a><a href=http://ubio.org/tools/linkit.php?map%5B%5D=all&link_type=2&url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0><img src=linkit.png border=0 title='LinkIT' alt='LinkIT'></a> <br><span class=j>Delpiani G, Spath MC, Deli Antoni M, Delpiani M<br><font color=gray><i>Journal of fish biology, 2017</i></font><br><font color=#008000>http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=0<br></font></span><br><br><br><table cellspacing=0 cellpadding=0 align=center><tr valign=bottom><td align=center><img src=p.png border=0></td><td align=center><img src=o_red.png border=0></td><td align=center><a href=http://ubio.org/portal/index.php?search=Amblyraja+Malm%2C+1877&category=l&client=pubmed&startPage=2><img src=o_yellow.png border=0></a></td><td align=center><a href=http://ubio.org/portal/index.php?search=Amblyraja+Malm%2C+1877&category=l&client=pubmed&startPage=3><img src=o_yellow.png border=0></a></td><td 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