Results 101 to 110 of about 11,190 (282)

Impact of CO2‐Induced Aquatic Acidification on Environmental DNA and RNA Shedding and Persistence

open access: yesEnvironmental DNA, Volume 7, Issue 4, July–August 2025.
We conducted mesocosm experiments to determine the shedding and decay rate constants of eDNA and eRNA in Pacific oysters (Crassostrea gigas) at various partial CO2 pressures in seawater. To our knowledge, this is the first study manipulating seawater pH using CO2.
Mark Louie D. Lopez   +6 more
wiley   +1 more source

Warmer Is Deadlier: A Meta‐Analysis Reveals Increasing Temperatures Accentuate Disease Effects on Fisheries Hosts

open access: yesEcology Letters, Volume 28, Issue 7, July 2025.
We conducted a meta‐analysis using 266 effect sizes from 52 empirical papers on harvested aquatic species and determined the relationship between parasite‐induced host mortality and temperature and how this relationship was altered by host, parasite, and study design traits.
Megan M. Tomamichel   +7 more
wiley   +1 more source

Intersexuality in the porcellanid crab Pisidia longicornis (Crustacea: Decapoda: Anomura: Porcellanidae)

open access: yesZoologia (Curitiba), 2015
Intersex specimens of Pisidia longicornis (Linnaeus, 1767) are recorded for the first time and their secondary sexual characters are analyzed. Of 145 specimens of P. longicornis examined in this study, six were identified as intersex individuals.
Luciane Augusto de Azevedo Ferreira
doaj   +1 more source

Distribution and Size of Crab (Portunus pelagicus) in Betahwalang Waters, Demak, Central JavaSex Ratio, Size Distribution and Length-Weight Relationship of Portunus pelagicus Linnaeus, 1758 (Malacostraca : Portunidae) in Betahwalang, Demak, Central Java

open access: yes, 2021
Blue Swimming Crab (P. pelagicus, Linnaeus, 1758) is the main fisheries product from Betahwalang peoples. Fishing activity of Blue Swimming Crab by the fisherman almost every day in Betahwalang waters.
S. Redjeki   +5 more
semanticscholar   +1 more source

Habitat complexity promotes species richness and community stability: a case study in a marine biogenic habitat

open access: yesOikos, Volume 2025, Issue 7, July 2025.
Habitat complexity (HC) promotes species richness and abundance. Aquatic environments are faced with intense pressures that threaten the 3D structure of the seafloor, with cascading effects on ecosystem functioning and biodiversity. Maerl or rhodolith beds are marine biogenic habitats created by few species of free‐living non‐geniculate coralline algae
Victor Leite Jardim   +6 more
wiley   +1 more source

Class Malacostraca (subclass Eumalacostraca)

open access: yes
This chapter present an updated taxonomic review of Freshwater Malacostraca. It is organized into an introduction to Malacostraca followed by 7 other sections corresponding to the main orders of freshwater Eumalacostraca (Amphipoda, Bathynellacea, Decapoda, Ingolfiellida, Mysida and Stygomysida, Isopoda, and Thermosbaenacea) present in Mediterranean ...
Piscart, Christophe   +5 more
openaire   +3 more sources

The phylogenetic position of the Isopoda in the Peracarida (Crustacea: Malacostraca) [PDF]

open access: yesArthropod Systematics & Phylogeny, 2009
The sister group to the isopod crustaceans remains a controversial proposition. Previous studies have used idealised composite taxa or few exemplars, resulting in confl icting assertions about the placement of the Isopoda among the Malacostraca. A recent morphological study argued for an Amphipoda-Isopoda clade, whereas a molecular study using SSU rDNA
openaire   +1 more source

Neural Repertoire Behind the World's Most Complex Retina: Neuroanatomy of the Stomatopod Lamina

open access: yesJournal of Comparative Neurology, Volume 533, Issue 6, June 2025.
The lamina behind the complex retina of mantis shrimp is highly conserved between eye regions and species and is similar to crustaceans and distinct from insects. Midband cartridges connect along columns, providing a neural basis for the unique scanning behavior of stomatopods.
Amy Streets   +2 more
wiley   +1 more source

Tube construction by a tanaidacean crustacean using a novel mucus secretion system involving the anal opening

open access: yesZoological Letters, 2017
Background Animals in diverse aquatic groups construct tubes using mucus and filaments, and the acquisition of this capability has likely played an important role in the evolution and diversification of small benthic animals.
Keiichi Kakui, Chizue Hiruta
doaj   +1 more source

Marine Biodiversity and Ecosystem Health of Ilhas Selvagens, Portugal [PDF]

open access: yes, 2016
In September 2015, National Geographic's Pristine Seas project, in conjunction with the Instituto Universitário-Portugal, The Waitt Institute, the University of Western Australia, and partners conducted a comprehensive assessment of the rarely surveyed ...
A. Estep   +9 more
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