Results 201 to 210 of about 490,056 (296)

Crushing and Cutting: Shape Variation and Morphological Integration Between the Claws of Two Swimming Crab Species (Brachyura: Portunidae)

open access: yesActa Zoologica, Volume 107, Issue 4, Page 450-459, October 2026.
ABSTRACT This study investigated shape variations and morphological integration between the components of crusher and cutter claws in two species of swimming crabs, Callinectes danae and Callinectes ornatus. The propodi and dactyli of the claws were analysed in males and females of both species, using geometric morphometric techniques to identify ...
Julia Tadiotto   +4 more
wiley   +1 more source

Weaponry Investment in the Socially Monogamous Snapping Shrimp Alpheus brasileiro (Decapoda: Alpheidae)

open access: yesActa Zoologica, Volume 107, Issue 4, Page 470-479, October 2026.
ABSTRACT Weapons are morphological structures used by animals in various contexts, especially in intra‐specific contests and visual displays. In snapping shrimps of the genus Alpheus, particularly the monogamous species Alpheus brasileiro, both sexes bear enlarged chelipeds, potentially conferring advantages in mate competition or territorial defence ...
Leonardo Moreira   +3 more
wiley   +1 more source

Phage Therapy for Sustainable Sea Cucumber Aquaculture. [PDF]

open access: yesLife (Basel)
Zhang W   +5 more
europepmc   +1 more source

Morphology of the First Zoeal Stage of the Shrimp Typton distinctus Chace, 1972: The Second for the Genus Typton O.G. Costa, 1844 After 100 Years

open access: yesActa Zoologica, Volume 107, Issue 4, Page 501-510, October 2026.
ABSTRACT The marine shrimp of the genus Typton are widely distributed, known to be associated with sessile organisms such as sponges. Information about this genus is limited, highlighting the scarcity of important features in its biology, including larval forms.
Matheus Sene   +2 more
wiley   +1 more source

Recreational Fisheries in Türkiye: Socio‐Economic Profiles, Technological Trends and Governance Challenges

open access: yesFisheries Management and Ecology, Volume 33, Issue 5, Page 1057-1070, October 2026.
ABSTRACT Recreational fisheries in Türkiye constitute an understudied socio‐economic sector spanning marine and freshwater ecosystems across the Mediterranean and Black Sea basins, yet robust national participation estimates remain constrained by the absence of a comprehensive registry or probability‐based sampling frame.
Tuncay Ateşşahin, Ömerhan Dürrani
wiley   +1 more source

A Spatial Clustering Approach of Economic Activities: An Application to the Agribusiness Sector in Brazil's Midwest Region

open access: yesGeographical Analysis, Volume 58, Issue 4, October 2026.
ABSTRACT The spatial distribution of economic activities is central to regional economics. However, empirical tools for comparing industries based on the similarity of their spatial distributions remain limited. Traditional cluster analysis typically ignores geographical distance and connectivity, while spatial methods focus on clustering places rather
Gilvan Santos do Rosario Junior   +2 more
wiley   +1 more source

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