Results 71 to 80 of about 4,709 (218)

Resilience to Cardiac Aging in Greenland Shark Somniosus microcephalus

open access: yesAging Cell, Volume 25, Issue 5, May 2026.
Greenland shark Somniosus microcephalus shows severe cardiac aging such as fibrosis, lipofuscin buildup, mitochondrial damage, and oxidative stress, unseen in comparison species Etmopterus spinax and Nothobranchius furzeri, yet remain healthy. S. microcephalus resilience suggests unique mechanisms that preserve heart function for centuries, offering ...
Elena Chiavacci   +14 more
wiley   +1 more source

Potential for Electropositive Metal to Reduce the Interactions of Atlantic Sturgeon with Fishing Gear [PDF]

open access: yes, 2014
Atlantic sturgeon (Acipenser oxyrhynchus) populations have been declared either endangered or threatened under the U.S. Endangered Species Act. Effective measures to repel sturgeon from fishing gear would be beneficial to both fish and fishers because ...
Brill R.   +4 more
core   +1 more source

Checklist of Chondrichthyans in Indian waters [PDF]

open access: yesJournal of the Marine Biological Association of India, 2014
Abstract Conservation, management and sustainable utilisation of biological resources depend on the accurate identification of exploited taxa, which emphasises the need for systematic taxonomic research. Chondrichthyans (sharks, rays, skates and chimaeras) are considered to be one of the most vulnerable exploited marine resources, however, the basic ...
Akhilesh K. V,   +3 more
openaire   +1 more source

Sawfishes in Brazil: A Historical Review

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 4, April 2026.
ABSTRACT Sawfishes of the genus Pristis are critically endangered rays with key ecological roles in aquatic ecosystems; however, they remain underrepresented in Brazilian scientific literature. This review presents a historical and bibliometric overview of sawfish literature in Brazil, highlighting temporal trends, geographic focus and thematic ...
Reysane de Alencar Sousa Silva   +2 more
wiley   +1 more source

Chapter 13: Vulnerability of chondrichthyan fishes of the Great Barrier Reef to climate change [PDF]

open access: yes, 2007
This chapter addresses the potential impact of climate change on the chondrichthyan fauna of the Great Barrier Reef, that is, the sharks, rays, skates and holocephalans that occur within the Great Barrier Reef region.
Chin, A., Kyne, P.M.
core  

the Philippines [PDF]

open access: yes, 2014
www.mapress.com ...
Moonyeen Alava, Peter R. Last
core   +1 more source

Bioimaging of sense organs and the central nervous system in extant fishes and reptiles in situ: A review

open access: yesThe Anatomical Record, Volume 309, Issue 4, Page 826-852, April 2026.
Bioimaging of the sense organs and brain of fishes and reptiles. Left panel: 3D reconstruction of the head and brain of the deep‐sea viperfish Chauliodus sloani following diceCT. Right panel: A 3D reconstruction of a 70‐day‐old embryo head of the bearded dragon Pogona vitticeps following diceCT, showing the position of the segmented brain within the ...
Shaun P. Collin   +9 more
wiley   +1 more source

Selachian faunas from the earliest Cretaceous Purbeck Group of Dorset, southern England. [PDF]

open access: yes, 2002
Abundant selachian remains have been recovered from a number of horizons through the Purbeck Group at Durlston Bay, Lulworth Cove and Stair Hole in southern England.
Rees, J., Underwood, Charlie J.
core  

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

Interactions of Mucus Monosaccharides and the Epidermal Microbiome in Four Benthic Elasmobranchs

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 2, April 2026.
Here we collected mucus and microbes from the skin of Elasmobranchs to identify interactions between mucus and the microbial community. We identified key microbial genes involved in the metabolism of mucus carbohydrates in Elasmobranchs. ABSTRACT Epidermal mucus is a complicated mixture of macromolecules which acts as the first line of defence for ...
Emma N. Kerr   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy