Results 31 to 40 of about 17,364 (267)

Fisheries bycatch and conservation priorities of young sharks (Chondrichthyes: Elasmobranchii) in the Eastern Mediterranean

open access: yesZoology in the Middle East, 2022
Sharks are one of the most threatened groups of marine animals because of high exploitation rates coupled with low resilience to fishing pressure. We provide information on the current status of the young sharks caught in fishing nets in Iskenderun and ...
D. Erguden, H. Kabasakal, D. Ayas
semanticscholar   +1 more source

Occurrence of a Shoal of Bull Ray Aetomylaeus bovinus (Myliobatidae) Around a Sea-Cage Farm in İskenderun Bay (Türkiye, NE Mediterranean Sea)

open access: yesÇanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 2022
In this study, a shoal of bull rays, Aetomylaeus bovinus (E. Geoffroy Saint-Hilaire, 1817), around a sea-cage fish farm in Iskenderun Bay, Turkey is reported.
Okan AKYOL
doaj   +1 more source

Bioenergetic Model of the Highly Exploited Shark Mustelus schmitti under a Global Warming Context

open access: yesDiversity, 2023
Bioenergetic models are tools that allow the evaluation of the effect of environmental variables on fish growth. Successful implementation of this approach has been achieved in a few elasmobranch species. Our objective was to develop a bioenergetic model
Juan Manuel Molina   +3 more
doaj   +1 more source

An updated checklist of Chondrichthyes from the southeast Pacific off Peru [PDF]

open access: yesCheck List, 2015
The first updated and comprehensive checklist of Chondrichthyes from the southeast Pacific off Peru, based on the revision of scientific literature, is presented.
Rodolfo Cornejo   +4 more
doaj   +3 more sources

The Development of the Chimaeroid Pelvic Skeleton and the Evolution of Chondrichthyan Pelvic Fins

open access: yesJournal of Developmental Biology, 2022
Pelvic girdles, fins and claspers are evolutionary novelties first recorded in jawed vertebrates. Over the course of the evolution of chondrichthyans (cartilaginous fish) two trends in the morphology of the pelvic skeleton have been suggested to have ...
Jacob B. Pears   +5 more
doaj   +1 more source

Species diversity, taxonomy and distribution of Chondrichthyes in the Mediterranean and Black Sea

open access: yesThe European Zoological Journal, 2020
Species diversity assessments are an important step to evaluate the conservation status of a community, both in marine and terrestrial ecosystems. These assessments are pivotal if related to both, the constant increase of human pressure on ecosystems and
F. Serena   +8 more
semanticscholar   +1 more source

Características histológicas del útero de Sympterygia acuta (Garman, 1877) y Sympterygia bonapartii (Müller & Henle, 1841) (Chondrichthyes; Rajidae) [PDF]

open access: yes, 2013
Los condrictios constituyen un clado sumamente conservado y vulnerable a la explotación, que ha cobrado una importancia creciente en los últimos años. Sin embargo, existe poca información sobre los aspectos morfológicos relacionados con la reproducción ...
Díaz Andrade, María Constanza   +2 more
core   +1 more source

A Comparison of the Innate and Adaptive Immune Systems in Cartilaginous Fish, Ray-Finned Fish, and Lobe-Finned Fish

open access: yesFrontiers in Immunology, 2019
The immune system is composed of two subsystems—the innate immune system and the adaptive immune system. The innate immune system is the first to respond to pathogens and does not retain memory of previous responses.
Nicole C. Smith   +2 more
doaj   +1 more source

Eugenol and Lippia alba essential oils as effective anesthetics for the Amazonian freshwater stingray Potamotrygon wallacei (Chondrichthyes, Potamotrygonidae)

open access: yesFish Physiology & Biochemistry, 2021
This study assessed the potential of eugenol and the essential oil of Lippia alba (EOLA) in providing suitable anesthetic induction and recovery times, and their consequent effects on the blood and respiratory physiology, as well as the gill architecture
C. L. de Lima   +7 more
semanticscholar   +1 more source

The Length-Weight Characteristics of Five Elasmobranch Species (Pisces: Chondrichthyes) from Izmir Bay (Aegean Sea Coast of Turkey): Spring 2018

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2022
In this study, a total of 364 samples were collected and 349 of them belonged to, 349 specimens of Dasyatis pastinaca, 6 of Gymnura altavela, 5 of Torpedo marmorato, 2 of Aetomylaeus bovinus and Mustelus mustelus, were obtained by-catch in trammel nets ...
Burcu Taylan   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy