Results 11 to 20 of about 1,896 (203)

Multi-Model Approach on Growth Estimation and Association With Life History Trait for Elasmobranchs

open access: yesFrontiers in Marine Science, 2021
Age and growth information is essential for stock assessment of fish, and growth model selection may influence the accuracy of stock assessment and subsequent fishery management decision making.
Kwang-Ming Liu   +8 more
doaj   +1 more source

DNA barcode reveals the illegal trade of rays commercialized in fishmongers in Brazil

open access: yesForensic Science International: Synergy, 2020
Sequences of the mitochondrial gene COI (DNA Barcode) were used to identify species of rays and skates commercialized in fishmongers in Brazil. The comparisons of the obtained sequences with previously published data available in NCBI and BOLD showed ...
Raul B. Camacho-Oliveira   +6 more
doaj   +1 more source

Assessment of the conservation status of Chondrichthyans: underestimation of the pollution threat

open access: yesThe European Zoological Journal, 2021
Cartilaginous fish include sharks, rays, skates, sawfish, and chimaeras. Their habitat ranges from shallow coastal waters to deep ocean floors, estuarine areas as well as rivers and inland waters.
G. Consales, L. Marsili
doaj   +1 more source

Assessing the Fishing Impact on the Marine Ecosystem of Guishan Island in the Northeastern Waters of Taiwan Using Ecopath and Ecosim

open access: yesJournal of Marine Science and Engineering, 2023
The northeastern waters of Guishan Island constitute one of the crucial fishing grounds for coastal trawl fishery in Taiwan and have been exploited for many decades.
Chien-Pang Chin   +2 more
doaj   +1 more source

Rapid Development of Microsatellite Markers with 454 Pyrosequencing in a Vulnerable Fish, the Mottled Skate, Raja pulchra [PDF]

open access: yesInternational Journal of Molecular Sciences, 2012
The mottled skate, Raja pulchra, is an economically valuable fish. However, due to a severe population decline, it is listed as a vulnerable species by the International Union for Conservation of Nature. To analyze its genetic structure and diversity, microsatellite markers were developed using 454 pyrosequencing.
Kang, Jung-Ha   +2 more
openaire   +3 more sources

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

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   +1 more source

Coastal sharks and rays in the Northeastern Atlantic: From an urgent call to collect more data to the declaration of a marine corridor

open access: yesGlobal Ecology and Conservation, 2022
Globally, elasmobranchs have suffered severe population declines and are, therefore, under an urgent necessity of protection, particularly along the Northeastern Atlantic realm.
Fernando Tuya   +9 more
doaj   +1 more source

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   +1 more source

Modern specialized fishery of sea fish in the western Bering Sea

open access: yesИзвестия ТИНРО, 2021
The shelf and continental slope of the western Bering Sea, being among the most productive areas of the Far-Eastern Seas of Russia, became exploited by commercial fishery half a century ago, after introduction of 200-mile exclusive economic zones in 1977
A. O. Zolotov
doaj   +1 more source

Fish Food in the Deep Sea: Revisiting the Role of Large Food-Falls [PDF]

open access: yes, 2014
The carcasses of large pelagic vertebrates that sink to the seafloor represent a bounty of food to the deep-sea benthos, but natural food-falls have been rarely observed.
Gates, Andrew R.   +11 more
core   +1 more source

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