Results 11 to 20 of about 220 (123)
Reproductive biology of Sympterygia bonapartii (Chondrichthyes: Rajiformes: Arhynchobatidae) in San Matías Gulf, Patagonia, Argentina [PDF]
Neotropical Ichthyology, 2017 This study estimates and analyses the reproductive parameters and cycle of Sympterygia bonapartii in San Matías Gulf, northern Patagonia, Argentina. A total of 827 males and 1,299 females were analysed. Males ranged from 185 to 687 mm of total length (TL)
María L. Estalles +2 more
doaj +3 more sources
Spatially explicit risk assessment of marine megafauna vulnerability to Indian Ocean tuna fisheries
Fish and Fisheries, Volume 23, Issue 5, Page 1180-1201, September 2022., 2022 Abstract By‐catch is the most significant direct threat marine megafauna face at the global scale. However, the magnitude and spatial patterns of megafauna by‐catch are still poorly understood, especially in regions with very limited monitoring and expanding fisheries.
Leslie Roberson +13 more
wiley +1 more source
Journal of Applied Ichthyology, Volume 38, Issue 4, Page 455-461, July 2022., 2022 Abstract The capture of a female specimen of the velvet belly lantern shark Etmopterus spinax with abnormal skin coloration is reported. The specimen was captured off northern Spain (Bay of Biscay, North‐eastern Atlantic) in 2021 by bottom trawling. The lack of dermal melanophores combined with a normal retinal pigmentation, lead us to considerate the ...
Juan Carlos Arronte +5 more
wiley +1 more source
Neotropical Ichthyology, 2021 Rioraja agassizii belongs to the monotypic genus Rioraja and differs from the other Riorajini species of the genus Atlantoraja by the shape of anterior nasal flap, squamation, clasper skeleton, body measurements and color pattern. Although R.
Karla D. A. Soares +2 more
doaj +1 more source
, 2022 FIGURE 4. Scanning electron microscope images of the dermal denticles of Bathyraja abyssicola, Baby 062812-1, 1087 mm TL, mature male, from A. the first dorsal fin and B. the head region, behind the eyes. Photos by Justin Cordova (MLML).Published as part
Ebert, David A., Knuckey, James D. S.
core +1 more source
Morphological intraspecific variation of a softnose skate, Bathyraja diplotaenia (Ishiyama, 1952) (Rajiformes : Arhynchobatidae) [PDF]
, 2022 The softnose skate, Bathyraja diplotaenia (Ishiyama, 1952) (Rajiformes : Arhynchobatidae), was morphologically examined and described on the basis of 48 male (179.4-856 mm total length) and 45 female specimens (172.8-849 mm total length) to describe ...
Kawai, Toshio, Nakamura, Kenta
core +1 more source
Journal 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 +1 more source
Neotropical Ichthyology, 2018 Atlantoraja cyclophora is an endemic skate to the continental shelf of the Southwestern Atlantic Ocean (22ºS-47ºS) and a by-catch species in commercial bottom trawl fisheries.
Anahí Wehitt +3 more
doaj +1 more source
Frontiers in Marine Science, 2020 Skeletal structures, especially the claspers, neurocrania, and scapulocoracoids have been widely used to characterize and describe new species of elasmobranchs.
E. Mabragaña +4 more
doaj +1 more source
Neotropical Ichthyology, 2018 We analyzed growth and reproduction of captive-born smallnose fanskates Sympterygia bonapartii. Egg cases were obtained from oviposition of two females caught in the wild and held at Temaikèn Aquarium.
Julieta A. Jañez +4 more
doaj +1 more source