Results 61 to 70 of about 2,847 (184)

Ocean sediments and shifting baselines—A call to revise European habitat classifications

open access: yesJournal of Applied Ecology, Volume 63, Issue 9, September 2026.
Shifting baselines affect the appropriateness of existing habitat classification frameworks, potentially reducing MPA integrity and efficacy. To enable representative mapping, accurate sensitivity assessments and appropriate management of marine habitats, EUNIS classifications require more flexibility.
Rebecca S. Turley   +7 more
wiley   +1 more source

Two Paralogues as They Like It: Conserved and Divergent Evolution of Vertebrate Gcm Genes

open access: yesEvolution &Development, Volume 28, Issue 3, September 2026.
Comparative overview of Gcm1 and Gcm2 paralogues across vertebrates. Gcm2 is conserved in pharyngeal‐derived organs across gnathostomes, whereas Gcm1 shows lineage‐specific diversification from an ancestral pharyngeal context, including secondary loss in teleosts, distinct expression in bichir gills and skin, and broader expression in mammals ...
Takanori Shono   +4 more
wiley   +1 more source

An epithelial signalling centre in sharks supports homology of tooth morphogenesis in vertebrates

open access: yeseLife, 2022
Development of tooth shape is regulated by the enamel knot signalling centre, at least in mammals. Fgf signalling regulates differential proliferation between the enamel knot and adjacent dental epithelia during tooth development, leading to formation of
Alexandre P Thiery   +3 more
doaj   +1 more source

Is Blood Thicker Than Water? The Influence of Kin Within a Bull Shark Social Network

open access: yesEcology and Evolution, Volume 16, Issue 8, August 2026.
This study investigates how kinship (“kinfluence”) shapes social structure in an aggregation of adult bull sharks in Fiji by integrating genomic relatedness, pedigree reconstruction, and detailed behavioral data. It reveals that while genetic relatedness has a small but significant influence on social behavior, especially among males, kin‐category ...
Natasha D. Marosi   +4 more
wiley   +1 more source

Characterization of the tyrosine-hydroxylase immunoreactive components of the basal subpallium in sharks—toward an identification of a basal subpallial complex

open access: yesFrontiers in Neuroanatomy
Comparative studies on the forebrain across different model organisms are necessary to investigate the origin and degree of evolutionary conservation of this brain region and its derivatives. The catshark Scyliorhinus canicula has become a reliable model
Isabel Rodríguez-Moldes   +4 more
doaj   +1 more source

Unveiling microbiome signature in inner body fluids: comparison between wild and aquarium small-spotted catshark (Scyliorhinus canicula)

open access: yesFrontiers in Marine Science, 2023
The microbiome is a crucial influencer in animal development, immune function and health, and it has complex and dynamic interactions with the environment, but little is known about the microbial signatures of inner body fluids.
Marta Muñoz-Baquero   +10 more
doaj   +1 more source

Citizen Science for Sharks and Rays: Evaluating iNaturalist Records to Document Elasmobranch Diversity and Occurrence in the Mediterranean Sea

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 7, July 2026.
ABSTRACT Elasmobranchs in the Mediterranean Sea face intense human‐induced pressures, with nearly half of their populations at risk of extinction. Overexploitation, limited data availability, lack of international cooperation and uneven public awareness hinder effective management.
Tina Corradi   +3 more
wiley   +1 more source

A Review of the Applications and Challenges of Pulsed Electric Fields in Fish Ecological Protection

open access: yesAquaculture, Fish and Fisheries, Volume 6, Issue 3, June 2026.
ABSTRACT The use of pulsed electric fields (PEF) to regulate fish swimming patterns, especially during migratory channel restoration in dammed rivers, faces significant operational challenges. These challenges can generally be attributed to the multifaceted nature of fish behaviour and limitations in research on physical interception methods.
Ting Li   +8 more
wiley   +1 more source

Commercial sharks under scrutiny: Baseline genetic distinctiveness supports structured populations of small-spotted catsharks in the Mediterranean Sea

open access: yesFrontiers in Marine Science, 2023
The present study, based on microsatellite markers, describes a population genetic analysis of the small-spotted catshark Scyliorhinus canicula (Linnaeus, 1758), representing one of the most abundant and commonly caught cartilaginous fishes in the ...
Riccardo Melis   +14 more
doaj   +1 more source

Visual Modelling to Predict Behavioural Responses of Catsharks, Skates, and Plaice to Artificial Light for Use in Bycatch Reduction

open access: yesFisheries Management and Ecology, Volume 33, Issue 3, Page 463-478, June 2026.
ABSTRACT Light can be used to deter bycatch from fishing nets, but few studies have aimed to quantify how species view and respond to light. Here, we used visual models to predict how target (plaice Pleuronectes platessa) and bycatch (small‐spotted catshark Scyliorhinus canicular and undersized skates, Raja spp) species, captured in mixed demersal ...
Jasmine Somerville   +2 more
wiley   +1 more source

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