Results 1 to 10 of about 4,078 (221)

Complete mitochondrial genome of the hydrozoan jellyfish Blackfordia virginica Mayer, 1910 (Cnidaria; Hydrozoa; Leptothecata) with phylogenetic analysis

open access: yesMitochondrial DNA. Part B. Resources, 2021
In this study, we analyzed the complete mitochondrial genome of the hydrozoan jellyfish Blackfordia virginica. The genome was a linear form (15,109 bp long, 73.6% AT), including 13 protein-coding genes (cox2, atp8, atp6, cox3, nad2, nad5, nad6, nad3 ...
Yoseph Seo, Jinho Chae, Jang-Seu Ki
doaj   +1 more source

THE AXIAL GRADIENTS IN HYDROZOA [PDF]

open access: yesThe Biological Bulletin, 1919
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Child, Charles Manning   +1 more
openaire   +4 more sources

Freshwater hydrozoan blooms alter activity and behaviour of territorial cichlids in Lake Tanganyika [PDF]

open access: yesRoyal Society Open Science, 2019
Blooms of gelatinous zooplankton can represent dramatic environmental perturbations for aquatic ecosystems. Yet, we still know little about how blooms impact fitness-related behaviours of fish caught within their areas of effect, especially for ...
Aneesh P. H. Bose   +2 more
doaj   +1 more source

Seasonal Changes in Vertical Distribution and Population Structure of the Dominant Hydrozoan Aglantha digitale in the Western Subarctic Pacific

open access: yesOceans, 2023
Hydrozoans are numerically dominant taxa in gelatinous zooplankton communities of the worldwide oceans and play an energy transfer role connecting primary producers and higher trophic level organisms. In the western subarctic Pacific, St.
Mari Aizawa, Tian Gao, Atsushi Yamaguchi
doaj   +1 more source

Spatial Ecology of the Association between Demosponges and Nemalecium lighti at Bonaire, Dutch Caribbean

open access: yesDiversity, 2022
Coral reefs are known to be among the most biodiverse marine ecosystems and one of the richest in terms of associations and species interactions, especially those involving invertebrates such as corals and sponges.
Jacopo Gobbato   +6 more
doaj   +1 more source

Comparative Analysis of the Soluble Proteome and the Cytolytic Activity of Unbleached and Bleached Millepora complanata (“Fire Coral”) from the Mexican Caribbean

open access: yesMarine Drugs, 2019
Coral bleaching caused by global warming has resulted in massive damage to coral reefs worldwide. Studies addressing the consequences of elevated temperature have focused on organisms of the class Anthozoa, and up to now, there is little information ...
Víctor Hugo Hernández-Elizárraga   +9 more
doaj   +1 more source

Localization of Multiple Jellyfish Toxins Shows Specificity for Functionally Distinct Polyps and Nematocyst Types in a Colonial Hydrozoan

open access: yesToxins, 2023
Hydractinia symbiolongicarpus is a colonial hydrozoan that displays a division of labor through morphologically distinct and functionally specialized polyp types.
Anna M. L. Klompen   +2 more
doaj   +1 more source

New species of Eirenidae (Hydrozoa: Leptothecata) from the Amazonian coast (northern Brazil)

open access: yesScientia Marina, 2020
Two new Eirenidae medusae species were collected on the Amazonian coast, Eutima marajoara n. sp. and Helgicirrha angelicae n. sp. The former differs from other species of the genus by the gonads extending along almost the entire length of the ...
Everton Giachini Tosetto   +2 more
doaj   +1 more source

Wind Drifting vs. Pulsating Swimming Jellyfish: Respiratory Metabolism and Composition Differences in Physalis physalis, Velella velella, Aurelia aurita, and Pelagia noctiluca

open access: yesFrontiers in Marine Science, 2022
Physalia physalis and Velella velella, are among the few marine organisms that harness the wind for their locomotion, whereas other cnidarian jellyfish make use of their pulsating bell-shaped bodies to propel themselves through the seas.
Daniel R. Bondyale-Juez   +5 more
doaj   +1 more source

Una síntesis de las localidades ibéricas conocidas para Craspedacusta sowerbii Lankester, 1880 (Cnidaria: Hydrozoa): nuevo registro para España procedente de la vega del Guadalquivir

open access: yesGraellsia, 2018
Las especies exóticas invasoras son una de las mayores amenazas para la biodiversidad. Particularmente, las especies de cnidarios son frecuentemente dispersadas lejos de sus áreas de origen por mediación de actividades humanas.
J. L. Medina-Gavilán   +1 more
doaj   +1 more source

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