Results 51 to 60 of about 2,779 (216)

Swimming crab in a bottle: A two‐month drift on the ocean surface while entrapped

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract Marine debris negatively impacts coastal marine ecosystems through ghost fishing gear that traps marine life, entanglement, and the transport of biofouling communities outside their native habitats. During a boat survey on July 15, 2022, a female swimming crab (Portunus sanguinolentus) entrapped inside a high‐density polyethylene bottle was ...
Hajime Sato   +2 more
wiley   +1 more source

Xiphonectes aculeatus sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from Madagascar

open access: yes, 2019
Koch, Milan, Ďuriš, Zdeněk (2019): Xiphonectes aculeatus sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from Madagascar. Zootaxa 4551 (4): 455-462, DOI: https://doi.org/10.11646/zootaxa.4551.4.
Koch, Milan, Ďuriš, Zdeněk
core   +1 more source

Natural Diet of Callinectes ornatus (Brachyura: Portunidae) in Bermuda

open access: yesJournal of Crustacean Biology, 1990
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Occurrence of ovigerous females of Callinectes bocourti A. Milne-Edwards, 1879 (Decapoda: Portunidae) on the Amazon Continental Shelf [PDF]

open access: yesNauplius
The family Portunidae comprises a diverse group of crabs, with 336 described species. Although they are easily collected and widely distributed in coastal regions, the life history of Callinectes bocourti remains poorly understood.
Amanda C. S. Bezerra   +3 more
doaj   +1 more source

Exploring the Diversity of Temperate Mesophotic Rocky Reefs From ARMS and Water eDNA in Central Chile

open access: yesEnvironmental DNA, Volume 8, Issue 2, March/April 2026.
LowerMesophoticEcosystems have greater alpha diversity and number of exclusive families, high turnover between LowerME and UpperME with clear differences in community composition. Water eDNA and ARMS eDNA are characterized by pelagic and benthic affinity respectively.
J. V. Sánchez‐López   +15 more
wiley   +1 more source

Monomia calla, a new species of swimming crab (Decapoda, Portunidae) from Madagascar and the Philippines

open access: yes, 2015
Koch, Milan, Nguyen, Thanh Son, Ďuriš, Zdeněk (2015): Monomia calla, a new species of swimming crab (Decapoda, Portunidae) from Madagascar and the Philippines. Zootaxa 3981 (3): 405-412, DOI: 10.11646/zootaxa.3981.3.
Koch, Milan   +2 more
core   +1 more source

Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil

open access: yesNauplius
This study investigated the temporal abundance, periods of reproduction and recruitment, gonad sexual maturity, and population structure of the swimming crab Achelous spinimanus (Latreille, 1819) in Macaé, a region of the Brazilian coast affected by ...
Luciana Segura de Andrade   +5 more
doaj   +1 more source

Evaluation of variation within the barcode region of Cytochrome c Oxidase I (COI) for the detection of commercial Callinectes sapidus Rathbun, 1896 (blue crab) products of non-US origin [PDF]

open access: yesPeerJ, 2019
Callinectes sapidus Rathbun, 1896 is a western Atlantic species with a disjointed natural geographic range from Massachusetts, USA to Venezuela (distribution area 1) and from Alagoas, Brazil to northern Argentina (distribution area 2).
Amanda M. Windsor   +4 more
doaj   +2 more sources

Century‐Scale Changes in the Feeding Patterns of Demersal Fish Species in the Western North Sea

open access: yesFish and Fisheries, Volume 27, Issue 2, Page 99-115, March 2026.
ABSTRACT Understanding the extent and magnitude of change in marine food webs requires historical data that predates modern monitoring efforts. Such information can provide invaluable insights into the longer‐term impacts of altered trophic interactions, yet it is rarely incorporated into marine policy frameworks.
Georgina L. Hunt   +4 more
wiley   +1 more source

Optimization of the demineralization process for the extraction of chitin from Omani Portunidae segnis

open access: yesBiochemistry and Biophysics Reports, 2020
Chitin is an organic polymer and it is the most frequent marine natural polysaccharide after cellulose. The main natural sources of chitin are exoskeletons of insects, mollusks, the cell walls of certain fungi and crustaceans such as crabs, shrimps and lobsters.
Noura Hamed Khalifa Al Shaqsi   +3 more
openaire   +3 more sources

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