Results 1 to 10 of about 1,875 (217)

The Aleutians and Beyond: Distribution, Size Composition, and Catch Dynamics of the Aleutian Skate Bathyraja aleutica across the North Pacific [PDF]

open access: yesAnimals, 2022
The results of long-term (1948–2021) studies on the spatial and vertical distribution, dynamics of abundance, and size composition of the Aleutian skate Bathyraja aleutica in the North Pacific Ocean are presented.
Igor V. Grigorov   +2 more
doaj   +3 more sources

The complete mitochondrial genome of Eaton’s skate, Bathyraja eatonii (Rajiformes, Arhynchobatidae) [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2021
The complete mitochondrial genome of Eaton’s skate Bathyraja eatonii was studied using the long-read technology, PacBio Sequel System. The complete mitochondrial genome form of B.
Jinmu Kim   +8 more
doaj   +3 more sources

Additions to the Taxonomy of the Antarctic Dark-Mouth Skate Bathyraja arctowskii (Dollo, 1904), with Descriptions of the Syntypes and Morphology of Teeth, Dermal Denticles and Thorns

open access: yesDiversity, 2023
The taxonomy of the enigmatic dark-mouth skate, Bathyraja arctowskii (Dollo, 1904), from the Southern Ocean was finally resolved after more than 100 years of ambiguity in 2021.
Simon Weigmann, Thomas Reinecke
doaj   +2 more sources

Long-Term Changes in the Distribution and Abundance of Nine Deep-Water Skates (Arhynchobatidae: Rajiformes: Chondrichthyes) in the Northwestern Pacific [PDF]

open access: yesAnimals, 2022
Based on the analysis of long-term data from bottom trawl surveys (1977–2021), changes in the spatial distribution, position of the boundaries of the ranges and the catch rates of the nine most common deep-sea skates of the genus Bathyraja in the Russian
Alexei M. Orlov, Igor V. Volvenko
doaj   +2 more sources

New species of Rockacestus (Cestoda, Phyllobothriidea) from skates of the genus Bathyraja (Rajiformes, Arhynchobatidae) in the Southwestern Atlantic Ocean with comments on the distribution of the genus [PDF]

open access: yesZoosystematics and Evolution
Three new species of Rockacestus Caira, Bueno & Jensen, 2021 were recovered from arhynchobatid skates taken between 37°S–55°S in the Magellanic Province, Southwestern Atlantic Ocean. Rockacestus blasi sp. nov.
Guillermina García Facal   +2 more
doaj   +4 more sources

Morphological description of deepwater skate Bathyraja trachura from the North-West Pacific

open access: yesИзвестия ТИНРО, 2021
Morphological description is given for deepwater skates Bathyraja trachura caught in the North-West Pacific in 1980–1989, both juveniles and adults. Counts for vertebras, pectoral fin, teeth rows, and intestinal valves are presented.
V. N. Dolganov
doaj   +2 more sources

Two new species of Acanthocotyle Monticelli, 1888 (Monogenea: Acanthocotylidae), parasites of two deep-sea skates (Elasmobranchii: Rajiformes) in the South-East Pacific [PDF]

open access: yesParasites & Vectors, 2019
Background Parasites of deep-sea fishes from the South-East Pacific (SPO) are poorly known. Of c.1030 species of fish found in this area, 100–150 inhabit the deep-sea (deeper than 200 m).
Luis A. Ñacari   +3 more
doaj   +2 more sources

Dendrapta nasicola n. sp. (Copepoda: Siphonostomatoida: Lernaeopodidae) a parasite from the olfactory sacs of Bathyraja scaphiops (Norman, 1937) in the South Western Atlantic [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
During a parasitological survey of the olfactory sacs of 21 species of Rajiformes (Chondrichthyes) from the Southwestern Atlantic Ocean, copepods referable to DendraptaKabata (1964) (Siphonostomatoida: Lernaeopodidae) were found parasitizing the cuphead ...
MANUEL M. IRIGOITIA   +2 more
doaj   +2 more sources

Extraction and Characterization of Collagen from Elasmobranch Byproducts for Potential Biomaterial Use [PDF]

open access: yesMarine Drugs, 2020
With the worldwide increase of fisheries, fish wastes have had a similar increase, alternatively they can be seen as a source of novel substances for the improvement of society’s wellbeing.
Manuel J. Seixas   +3 more
doaj   +2 more sources

Helminths and the stomach contentment of Bathyraja sp. (Rajiformes: Arhynchobatidae) in the Simushir Island area (Pacific Ocean)

open access: yesJournal of Asia-Pacific Biodiversity, 2020
The offspring of skate Bathyraja sp., caught in the environs of the Simushir Island (Greater Kuril Chain), were studied for infections and stomach contentment.
Ilya Gordeev, Tatyana Polyakova
doaj   +2 more sources

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