Results 61 to 70 of about 558 (164)

Figure 6 in Structure and distribution of carapace setae in British spider crabs

open access: yes, 2006
Figure 6. Hamate setae of Macropodia rostrata (A), Macropodia tenuirostris (B, C), and Eurynome aspera (D–G). (A) Mr-C setae; (B) Mt-A setae; (C) Mt-C seta with setules; (D) Ea-A setae; (E) Ea-A seta close-up, with cuticle around base of denticles; (F ...
Szebeni, Tommy, Hartnoll, Richard G.
core   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1255-1310, June 2026.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Classification, Biodiversity and Conservation of Marine Crabs [PDF]

open access: yes, 2015
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).The known size of crabs now ...
Josileen, Jose
core  

Comparative aspects of the control of posture and locomotion in the spider crab Libinia emarginata

open access: yes, 2008
The study of pedestrian locomotion in crustaceans has largely focused on forward walking macrurans, or sideway walking brachyurans. The spider crab, Libinia emarginata is a brachyuran that, unlike its close relatives, preferentially walks forward.
Vidal Gadea, Andres Gabriel
core   +1 more source

The highly rearranged mitochondrial genomes of the crabs Maja crispata and Maja squinado (Majidae) and gene order evolution in Brachyura

open access: yesScientific Reports, 2017
We sequenced the mitochondrial genomes of the spider crabs Maja crispata and Maja squinado (Majidae, Brachyura). Both genomes contain the whole set of 37 genes characteristic of Bilaterian genomes, encoded on both α- and β-strands.
Andrea Basso   +5 more
doaj   +1 more source

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1406-1462, June 2026.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz   +6 more
wiley   +1 more source

FIGURE 6. Choniognathus spinosus n in The taxonomy of spider crabs of the genera Eurynome, Choniognathus, Seiitaiodes and Kasagia (Crustacea: Brachyura: Majidae) from southwest Indian Ocean

open access: yes, 2021
FIGURE 6. Choniognathus spinosus n. sp., holotype female (cl 10.2 mm, cw 8.3 mm) (MNHN-IU-2008-10297), Mozambique. A, overall view; B, dorsal view of carapace (denuded); C, lateral view of cephalothorax; D, ventral view showing antennules, antennae ...
Lee, Bee Yan   +2 more
core   +1 more source

Canal Construction Disrupts Camouflage in Two Sympatric Estuarine Crab Species

open access: yesEcology and Evolution, Volume 16, Issue 6, June 2026.
Estuarine ecosystems provide essential habitats for fiddler crabs, whose survival heavily relies on background‐matching camouflage. Anthropogenic modifications such as canal construction can alter the visual properties of these habitats, yet direct empirical evidence of their impact on crustacean camouflage remains limited.
Yiran Huang   +6 more
wiley   +1 more source

Taxonomic revision, molecular phylogeny and zoogeography of the huntsman spider genus Eusparassus (Araneae: Sparassidae)

open access: yes, 2013
The spider genus Eusparassus Simon, 1903 (Araneae: Sparassidae: Eusparassinae; stone huntsman spider) is revised worldwide to include 30 valid species distributed exclusively in Africa and Eurasia. The type species E.
Moradmand, Majid
core  

Multispecies Niche Overlap: Moving Beyond Pairwise Metrics to Understand Community‐Wide Similarities in Resource Use

open access: yesEcology and Evolution, Volume 16, Issue 6, June 2026.
Measures of niche overlap are important tools in various ecological and evolutionary studies. Here we create and apply a multispecies overlap metric to both simulated and empirical communities, illustrating how this methodology may capture interactions and structure of niche space in ways that traditional, pairwise metrics overlook.
Cody M. Kent   +2 more
wiley   +1 more source

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