Results 51 to 60 of about 6,795 (224)

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

Classification, Biodiversity and Conservation of Marine Commercial Crabs of India [PDF]

open access: yes, 2017
One of the best known and most intensely studied groups is the true crabs of the infraorder Brachyura. Brachyuran crabs belong to the Order Decapoda, the most diverse group of crustaceans alive today (Ng et al., 2008).
Josileen, Jose
core  

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

The whole mitochondrial genome and phylogenetic analysis of Lupocycloporus gracilimanus (Stimpson, 1858) (Decapoda, portunidae)

open access: yesMitochondrial DNA. Part B. Resources, 2018
The mitochondrial genome plays an important role in studies on phylogeography and population genetic diversity. Here we report the complete mitochondrial genome of Lupocycloporus gracilimanus (Stimpson, 1858) which is the first mitochondrial genome ...
Mengyun Guan   +8 more
doaj   +1 more source

Taxonomic account of genus Scylla (de Haan, 1833) from Gujarat State, India with two new records of species [PDF]

open access: yes, 2013
The present study describes the taxonomic account of genus Scylla from Gujarat state, India. Specimens of crab were collected from 11 different marine sites/ habitats along the coastal region of the state.
J. N. Trivedi, K. D. Vachhrajani
core  

A Natural Hybrid Mud Crab (Decapoda, Portunidae) from Japan [PDF]

open access: yesJournal of Crustacean Biology, 2005
Abstract A presumed hybrid mud crab of the genus Scylla was examined. The presumed hybrid could not be easily separated morphologically from the three Japanese Scylla species, S. serrata, S. paramamosain, and S. olivacea. An analysis of the first internal transcribed spacer (ITS-1) of the nuclear DNA revealed that the hybrid carried genomic DNA from ...
Hideyuki Imai, Masatsune Takeda
openaire   +1 more source

A Comparison of DNA Metabarcoding Cloacal Swabs and Stomach Contents for Shark Diet Reconstruction

open access: yesEnvironmental DNA, Volume 8, Issue 1, January–February 2026.
Our results indicate that the less invasive, non‐lethal method of DNA metabarcoding cloacal swabs provided higher taxonomic resolution than more common methods for studying shark trophic ecology (i.e., morphological stomach contents identification and trophic biomarkers) with no statistical difference in overall diet description between cloacal swabs ...
Savannah J. Ryburn   +5 more
wiley   +1 more source

Restauración y actualización taxonómica de la colección de crustáceos (Arthropoda: Crustacea) de Juan C. Gundlach

open access: yesNovitates Caribaea, 2011
Se presentan los resultados obtenidos al restaurar y actualizar la taxonomía de la colección de crustáceos cubanos realizada en el siglo XIX por el naturalista alemán, radicado en Cuba, Juan C. Gundlach.
Manuel Ortiz, Marco A. Olcha
doaj   +1 more source

The Hudson-Raritan Estuary as a crossroads for distribution of blue (Callinectes sapidus), lady (Ovalipes ocellatus), and Atlantic rock (Cancer irroratus) crabs [PDF]

open access: yes, 2004
Blue (Callinectes sapidus)(Portunidae),lady (Ovalipes ocellatus)(Portunidae), and Atlantic rock (Cancer irroratus) (Cancridae) crabs inhabit estuaries on the northeast United States coast for parts or all of their life cycles. Their distributions overlap
McMillan, Donald G.   +2 more
core  

Discards of the Algarve (southern Portugal) crustacean trawl fishery [PDF]

open access: yes, 2001
The crustacean trawl fishery off the Algarve coast (southern Portugal) takes place on the lower continental shelf and upper continental slope at depths between 150 and 600 m.
Araujo, A.   +3 more
core   +1 more source

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