Results 31 to 40 of about 5,656 (156)

Diversity of Dinoflagellate Symbionts in Scyphozoan Hosts From Shallow Environments: The Mediterranean Sea and Cabo Frio (Rio de Janeiro, Brazil)

open access: yesFrontiers in Marine Science, 2022
Symbiotic scyphozoan jellyfish are poorly understood in terms of their symbionts and traits, as well as the ecological significance of this association. Dinoflagellate symbionts of the medusae Cotylorhiza tuberculata, Phyllorhiza punctata, and Cassiopea ...
Lucija Raspor Dall’Olio   +4 more
doaj   +1 more source

From single neurons to behavior in the jellyfish Aurelia aurita

open access: yeseLife, 2019
Jellyfish nerve nets provide insight into the origins of nervous systems, as both their taxonomic position and their evolutionary age imply that jellyfish resemble some of the earliest neuron-bearing, actively-swimming animals. Here, we develop the first
Fabian Pallasdies   +3 more
doaj   +1 more source

Asexual reproduction strategies and blooming potential in Scyphozoa [PDF]

open access: yesMarine Ecology Progress Series, 2014
Scyphistomae show different modes of propagation, occasionally allowing the sudden release of great numbers of medusae through strobilation leading to so-called jellyfish blooms. Accordingly, factors regulating asexual reproduction strategies will control scyphistoma density, which, in turn, may influence blooming potential.
Schiariti, Agustin   +5 more
openaire   +2 more sources

Revisión taxonómica de los conuláridos en la colección del Museo Nacional de Ciencias Naturales (CSIC), Madrid (España)

open access: yesGraellsia, 2011
Este trabajo recoge la revisión taxonómica de la colección de conuláridos (Scyphozoa) del Museo Nacional de Ciencias Naturales (CSIC). Esta colección esta formada básicamente por muestras ordovícicas del Parque Nacional de Cabañeros (Castilla-La Mancha).
C. Sendino, C. Santos
doaj   +1 more source

Phosphatic Biomineralization in Scyphozoa (Cnidaria): A Review

open access: yesMinerals, 2022
Phosphatic biomineralization is unknown in modern species of Scyphozoa (Cnidaria). However, some extinct groups of Scyphozoa, such as conulariids and Sphenothallus, were capable of secreting phosphatic exoskeletons. Both conulariids and Sphenothallus used apatite to improve the mechanical properties of their skeletons, which offered better protection ...
openaire   +1 more source

JellyWeb: an interactive information system on Scyphozoa, Cubozoa and Staurozoa [PDF]

open access: yesZooKeys, 2016
Identification of organisms is traditionally based on the use of "classic" identification keys, normally printed on paper. These keys have several drawbacks: they are mainly based on the systematics, requiring identification of orders, families and genera at first; they are written by experts for other experts, in a specific scientific jargon; they ...
MARTELLOS, Stefano   +2 more
openaire   +4 more sources

Medusas del Parque Nacional Jardines de la Reina

open access: yesRevista de Investigaciones Marinas, 2023
Se identificaron, mediante muestreos y registros fotográficos, las especies de medusas presentes en el Parque Nacional Jardines de la Reina. Se registraron, por primera vez para el PNJR, seis especies de medusas de la clase Scyphozoa, pertenecientes a ...
Ramón D. Morejón-Arrojo   +2 more
doaj  

Jellyfish (Chrysaora lactea, Cnidaria, Semaeostomeae) aggregations in southern Brazil and consequences of stings in humans

open access: yesLatin American Journal of Aquatic Research, 2014
The frequency of jellyfish blooms is generating a world-wide discussion about medusae population explosions, mainly those associated with stings. We report over 20,000 envenomations caused by Chrysaora lactea (Scyphozoa) in the State of Paraná (southern ...
Antonio C Marques   +4 more
doaj   +1 more source

Evaluating and Advancing the Use of Shore‐Based Observers for Scientific Sampling and Catch Verification in High‐Volume Fisheries

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Shore‐based observers are increasingly being used in place of at‐sea observers to monitor and sample commercial fisheries catch. However, few evaluations assess whether these programs meet their stated goals or how to optimize them, and industry data are rarely tested for accuracy despite serving as the foundation for catch accounting. Using a
Christian Gredzens   +2 more
wiley   +1 more source

Contemporary Methods for Capturing Juvenile Salmonids in the Marine Environment

open access: yesFish and Fisheries, Volume 27, Issue 2, Page 160-178, March 2026.
ABSTRACT Anadromous salmonids play vital roles in marine and freshwater ecosystems. The most abundant of these fishes—Pacific salmon (Oncorhynchus spp.)—are integral to coastal ecosystems and communities across the North Pacific Rim, but numerous populations are experiencing dramatic declines, particularly towards the south of their range.
Sean C. Godwin   +6 more
wiley   +1 more source

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