Results 11 to 20 of about 2,253 (199)

Biodiversity and frequency of occurrence of jellyfish (cnidaria) in Al Hoceima Bay (North coast of Morocco, Alboran Sea) [PDF]

open access: yesE3S Web of Conferences, 2023
Jellyfish are the best-known group of gelatinous zooplankton; they refer to organisms from the phylum Cnidaria, including animals with cnidocytes (stinging cells).
Benyoub B.   +4 more
doaj   +1 more source

Comparative Analysis of Convergent Jellyfish Eyes Reveals Extensive Differences in Expression of Vision-Related Genes. [PDF]

open access: yesEcol Evol
Eyes have evolved in many different lineages, including several times within jellyfish, yet the relative contributions of shared and lineage‐specific genes to convergent eyes are not known. We find that three long‐diverged species of jellyfish have mostly divergent patterns of gene expression in their eye‐bearing tissues, suggesting a major role for ...
Picciani N   +8 more
europepmc   +2 more sources

Controls of Wind-Driven Jet on the Distribution of Pelagic Cnidarians in the Midwestern South China Sea

open access: yesFrontiers in Marine Science, 2021
The coastal water transported by the combined action of southwest wind jet and anticyclonic eddy substantially influences the biological processes in the midwestern South China Sea.
Ruping Ge   +11 more
doaj   +1 more source

SISTEMÁTICA Y ECOLOGÍA DE LAS MEDUSAS (Cnidarias: Hydrozoa) EN LA ZONA COSTERA SUR DE LA BAHÍA DE SANTA ELENA DURANTE EL PERIODO (OCTUBRE 2004 – OCTUBRE 2005

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2021
La presente investigación se desarrolló en el sector Sur de la Bahía de Santa Elena durante Octubre 2004 a Octubre 2005, se identificó 24 especies, clasificados en 6 órdenes: 5 de la clase Hydrozoa, con 16 familias; 22 géneros y 22 especies, y 2 clases ...
Carlos Andrade Ruiz   +1 more
doaj   +1 more source

Planktonic associations between medusae (classes Scyphozoa and Hydrozoa) and epifaunal crustaceans [PDF]

open access: yesPeerJ, 2021
Jellyfish are known to carry various epibionts, including many of the subphylum Crustacea. However, the associations between gelatinous zooplankton and other invertebrates have been chronically overlooked.
Kaden Muffett, Maria Pia Miglietta
doaj   +2 more sources

Epithelial Conduction in Hydromedusae [PDF]

open access: yesThe Journal of General Physiology, 1968
Sarsia, Euphysa, and other hydromedusae have been studied by electrophysiological techniques and are found to have nonnervous conducting epithelia resembling those described earlier for siphonophores. Simple, nonmuscular epithelia fire singly or repetitively following brief electrical stimuli.
G O, Mackie, L M, Passano
openaire   +4 more sources

Podocoryna tenuis (Hydrozoa) in temperate waters of the southwestern Atlantic: additional data on life cycle stages support its synonym with Podocoryna humilis

open access: yesMarine and Fishery Sciences, 2023
Two species of Hydractiniidae (Hydrozoa) with metagenetic life cycle have been recorded for the temperate region of the southwestern Atlantic Ocean: the medusa stage of Podocoryna tenuis and the polyp stage of P. humilis.
Gabriel N. Genzano   +4 more
doaj   +1 more source

First record of Cnidocodon leopoldi Bouillon, 1978 (Cnidaria: Anthoathecata) in the Atlantic Ocean

open access: yesPapéis Avulsos de Zoologia, 2021
Specimens of the hydromedusa Cnidocodon leopoldiBouillon, 1978 were collected in waters off the northeast Brazilian coast between 7.4°S, 34.3°W and 8.7°S, 34.8°W.
Everton Giachini Tosetto   +3 more
doaj   +1 more source

Population Structure Plays a Key Role in Community Stability. [PDF]

open access: yesEcol Lett
Population structure is a widespread yet underappreciated feature of ecological communities. Here, we develop a general theoretical framework integrating life‐stage structure into community matrix models and show that stage‐specific interactions—especially asymmetric predator‐prey dynamics—can fundamentally alter stability outcomes. Our findings reveal
Giménez-Romero À   +3 more
europepmc   +2 more sources

Omnivory by the Small Cosmopolitan Hydromedusa Aglaura Hemistoma [PDF]

open access: yes, 2005
We investigated the feeding of the small hydromedusa, Aglaura hemistoma (bell diameter \u3c 4 mm), to determine if it occupies a trophic position similar to that of large medusae.
Colin, Sean   +3 more
core   +2 more sources

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