Results 11 to 20 of about 5,873 (178)

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

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

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

Size of catch, reproduction and feeding of the small-eye smooth-hound, Mustelus higmani (Carcharhiniformes: Triakidae), in Margarita Island, Venezuela

open access: yesScientia Marina, 2015
Mustelus higmani is categorized as “least concern” according to the red list of the International Union for Conservation of Nature, but gaps in population trends occur in most of its distribution range.
Alejandro Tagliafico   +3 more
doaj   +1 more source

New Late Cretaceous microvertebrate assemblage from the Campanian–Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications

open access: yesActa Palaeontologica Polonica, 2022
We describe a microvertebrate assemblage from the J&M site, of the Upper Cretaceous (Campanian–Maastrichtian) Williams Fork Formation. Breakdown of fossil bearing matrix was achieved with the use of heated dimethyl sulfoxide.
NICKOLAS A. BRAND   +5 more
doaj   +1 more source

Langhian rays (Chondrichthyes, Batomorphii) from Brielas, Lower Tagus Basin, Portugal

open access: yesGeologica Acta, 2019
The Langhian Vc unit of Brielas section (Caparica road, Almada), in the marine Miocene of the Lower Tagus Basin (West Portugal), is rich in batoid species.
P. FIALHO, A. BALBINO, M.T. ANTUNES
doaj   +1 more source

Shedding light on the Chimaeridae taxonomy: the complete mitochondrial genome of the cartilaginous fish Hydrolagus mirabilis (Collett, 1904) (Holocephali: Chimaeridae)

open access: yesMitochondrial DNA. Part B. Resources, 2021
Cartilaginous fish are fascinating taxa, present in the folklore and art of many different cultures. Moreover, they display several unique anatomical, physiological, molecular, and behavioral characteristics making them extremely interesting from a ...
André Gomes-dos-Santos   +7 more
doaj   +1 more source

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