Results 51 to 60 of about 5,898 (165)

Fluctuation and diversity of Hydromedusae (Hydrozoa, Cnidaria) in a highly productive region of the Gulf of Mexico inferred from high frequency plankton sampling [PDF]

open access: yesPeerJ, 2019
Hydrozoa medusae undergo blooms and seasonal fluctuations; however the drivers of such fluctuations are unknown. To understand how medusa populations fluctuate in response to seasonal factors such as temperature, salinity, dissolved oxygen, and ...
Sarah Pruski, Maria Pia Miglietta
doaj   +2 more sources

Metabarcoding as a Tool in Characterizing Nordic Deep‐Sea and Arctic Benthic Ecosystems

open access: yesEnvironmental DNA, Volume 8, Issue 6, November‐December 2026.
Multi‐marker sediment eDNA metabarcoding robustly discriminates benthic habitats across the Nordic Seas and Arctic Mid‐Ocean Ridge. Complementary 18S rDNA and COI performance enhances taxonomic resolution and supports standardized integration of metabarcoding into future deep‐sea biodiversity surveys.
Jon Thomassen Hestetun   +4 more
wiley   +1 more source

Aligned and trimmed 16S and COI DNA sequences of Oceaniidae (Hydrozoa)

open access: yes, 2016
<p>Aligned and trimmed 16S and COI sequences of Oceaniidae (Hydrozoa) used for the study "The polyps of <em>Oceania armata</em> identified by DNA barcoding (Cnidaria, Hydrozoa)"</p> <p>Format is Fasta, files are text files ...
Schuchert, Peter (5133380)   +1 more
core   +1 more source

When invasions go unnoticed: Public perception of the freshwater jellyfish Craspedacusta sowerbii in Europe

open access: yesPeople and Nature
Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses.
Guillaume Marchessaux   +17 more
doaj   +1 more source

The complete mitochondrial genome of the hydrozoan jellyfish Spirocodon saltatrix (Cnidaria; Hydrozoa; Anthoathecata) with phylogeny analysis

open access: yesMitochondrial DNA. Part B. Resources, 2020
In the present study, we sequenced and analyzed the complete mitochondrial genome of the hydrozoan jellyfish Spirocodon saltatrix. The mitochondrial genome was a linear form (15,752 bp long, 70.4% AT), consisting of 13 protein coding genes (cox1, cox2 ...
Yoseph Seo, Jinho Chae, Jang-Seu Ki
doaj   +1 more source

Coevolution of the Tlx homeobox gene with medusa development (Cnidaria: Medusozoa)

open access: yesCommunications Biology, 2023
Cnidarians display a wide diversity of life cycles. Among the main cnidarian clades, only Medusozoa possesses a swimming life cycle stage called the medusa, alternating with a benthic polyp stage.
Matthew Travert   +6 more
doaj   +1 more source

Compromised Refugia: Latitudinal Gradients Mimic Depth and Constrain Subtropical Reef Habitats in the Nilotic Basin

open access: yesEcology and Evolution, Volume 16, Issue 10, October 2026.
Deep reefs (25–30 m) were expected to be climate havens for fish fleeing warming shallow waters near Egypt's Nile Delta—but the opposite was observed. As you head south, the reef habitat shifts from primary producers (algae) to filter‐feeding bryozoans, and fish abundance and diversity drop sharply.
Anat Tsemel   +7 more
wiley   +1 more source

FIG. 5 in World hydrozoa database

open access: yes, 2014
FIG. 5Published as part of Schuchert, Peter, 2014, World hydrozoa database, pp.
Schuchert, Peter
core   +1 more source

Amphipod crustaceans from Chilean Patagonia

open access: yesEuropean Journal of Taxonomy, 2022
This paper describes new or little known Amphipoda collected from Hydrozoa, Bryozoa, Porifera or kelp along the Chilean fjord region. The following species have been found and most of them were redescribed and illustrated: Sunamphitoe femorata (Krøyer ...
Charles Oliver Coleman   +2 more
doaj   +1 more source

Surveying Biodiverse Coral Reef Ecosystems Across the Tree of Life With Environmental DNA

open access: yesMolecular Ecology Resources, Volume 26, Issue 7, October 2026.
ABSTRACT A central challenge in evaluating biodiversity using environmental DNA (eDNA) metabarcoding is that each primer set has biases resulting in selective amplification of taxonomic diversity. Here we test 11 primer pairs to assess Central Pacific coral reef diversity in the five kingdoms of marine eukaryotes: Chromista, Fungi, Metazoa, Plantae and
Van Wishingrad   +2 more
wiley   +1 more source

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