Results 101 to 110 of about 4,688 (194)

The reproductive cycle of the thorny skate (Amblyraid radiata) in the western Gulf of Maine [PDF]

open access: yes, 2005
The thorny skate (Amblyraja radiata) is a large species of skate that is endemic to the waters of the western north Atlantic in the Gulf of Maine.
Danley, Patrick D.   +6 more
core   +1 more source

Phylogenetic analysis of apicomplexan parasites infecting commercially valuable species from the North-East Atlantic reveals high levels of diversity and insights into the evolution of the group

open access: yesParasites & Vectors, 2018
Background The Apicomplexa from aquatic environments are understudied relative to their terrestrial counterparts, and the seminal work assessing the phylogenetic relations of fish-infecting lineages is mostly based on freshwater hosts.
Raquel Xavier   +8 more
doaj   +1 more source

Experimental study of the gustatory system connections in the lesser spotted dogfish (Scyliorhinus canicula) [PDF]

open access: yes, 2015
[Resumen] El sistema gustativo central ha sido muy estudiado en ciertos grupos de teleósteos como ciprínidos e ictalúridos, sin embargo es prácticamente desconocido en elasmobranquios.
Rodríguez Díaz, Laura
core  

Hagfish and lamprey Hox genes reveal conservation of temporal colinearity in vertebrates [PDF]

open access: yes, 2018
Hox genes exert fundamental roles for proper regional specification along the main rostro-caudal axis of animal embryos. They are generally expressed in restricted spatial domains according to their position in the cluster (spatial colinearity)—a feature
A Stamatakis   +64 more
core   +2 more sources

The reproductive biology of the school shark, Galeorhinus galeus Linnaeus 1758 (Chondrichthyes: Triakidae), from the Maghreb shore (southern Mediterranean) [PDF]

open access: yes, 2005
The school shark, Galeorhinus galeus, is commonly captured off the Maghreb shore along the Algerian and Tunisian coasts of the southern Mediterranean.
Christian Capapé   +4 more
core   +1 more source

The Myosin Heavy Chain specific A4.1025 antibody discriminates different cardiac segments in ancient groups of gnathostomes: Morphological and evolutionary implications [PDF]

open access: yes, 2016
El resumen aparece en el Program & Abstracts of the 11th International Congress of Vertebrate Morphology, Washington DC 2016. Anatomical Record, Volume 299, Special Feature: 263.The pan-Myosin Heavy Chain (pan-MyHC) marker MF20 have been reported to show
Durán, Ana C.   +5 more
core  

Temporal niche partitioning as a potential mechanism for coexistence in two sympatric mesopredator sharks

open access: yesFrontiers in Marine Science
Global marine biodiversity declines require bold and ambitious plans to safeguard ecosystem services. Overfishing, habitat loss and projected climate impacts have yielded deleterious effects on marine predators, in particular, driving increasing threat ...
Neil D. Cook   +4 more
doaj   +1 more source

Contamination by Trace Elements and Oxidative Stress in the Skeletal Muscle of Scyliorhinus canicula from the Central Tyrrhenian Sea. [PDF]

open access: yesAntioxidants (Basel), 2023
Filice M   +9 more
europepmc   +1 more source

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