Results 81 to 90 of about 7,576 (187)

Why Are Most Fish Populations Genetically Homogeneous Along the Southwestern Atlantic Coast? The Role of Life History Traits in Shaping Genetic Patterns

open access: yesJournal of Biogeography, Volume 53, Issue 8, August 2026.
ABSTRACT Aim Investigate patterns of population genetic structure in Southwestern Atlantic marine fishes and evaluate how geographic range, habitat diversity, and evolutionary history shape population connectivity. Location Southwestern Atlantic, including the Caribbean, Brazilian coast, and Patagonian region, between 0°59′ N and 40°16′ S.
Glaciane Conceição Marques   +4 more
wiley   +1 more source

From blue to pink: resazurin as a high-throughput proxy for metabolic rate in oysters [PDF]

open access: yesPeerJ
Metabolic rate assays are essential for assessing organismal stress and resilience, yet their use in aquaculture remains limited. We evaluate a whole-organism, resazurin-based metabolic assay for oysters (Crassostrea gigas and C.
Ariana S. Huffmyer   +14 more
doaj   +2 more sources

Integrated histopathological, physiological, biochemical, and molecular analysis of gill responses to acute salinity stress in red tilapia (Oreochromis spp.)

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 4, August 2026.
Abstract Growing freshwater scarcity in China is driving aquaculture interests toward saline‐tolerant fish species. Red tilapia (Oreochromis spp.) is a euryhaline species with strong osmoregulatory capacity, making it an ideal model for investigating stress‐induced physiological changes.
Moustafa Saleh   +8 more
wiley   +1 more source

Range‐Wide Genetic Population Structure and Environmental Adaptation in the Eastern Oyster (Crassostrea virginica) Provides Insight for Aquaculture

open access: yesMolecular Ecology, Volume 35, Issue 15, August 2026.
ABSTRACT Selective breeding in aquaculture is necessary to establish food security and meet demand for sustainably produced protein. An informed selective breeding program requires understanding how population structure, environmental adaptation, and human activities shape natural genetic variation in wild conspecifics.
Madeline G. Eppley   +6 more
wiley   +1 more source

KAHRAMANMARAŞ HAVZASI (GD TÜRKİYE) ALT-ORTA MİYOSEN İSTİFİNDE CRASSOSTREA GRYPHOIDES (SCHLOTHEIM)'İN VARLIGI; TAKSONOMİ, PALEOEKOLOJİ VE PALEOCOGRAFYA

open access: yesBulletin of the Mineral Research and Exploration, 2008
- Kahramanmaraş'ın kuzeydogusunda Salyan ve Ahmetcik köyleri arasında yüzeyleyen ve Salyan formasyonunun orta kesimlerini oluşturan Miyosen kayaları Tetis bölgesi için tipik olan bivalve ve gastropodları içerir.
İzzet HOŞGÖR
doaj  

"Tandem duplication-random loss" is not a real feature of oyster mitochondrial genomes

open access: yesBMC Genomics, 2009
Duplications and rearrangements of coding genes are major themes in the evolution of mitochondrial genomes, bearing important consequences in the function of mitochondria and the fitness of organisms. Yu et al.
Zhang Guofan   +4 more
doaj   +1 more source

CHU KỲ SINH SẢN VÀ BIẾN ĐỘNG THÀNH PHẦN SINH HÓA CỦA HÀU (CRASSOSTREA SP.) PHÂN BỐ TẠI RỪNG NGẬP MẶN TỈNH CÀ MAU

open access: yesTạp chí Khoa học Đại học Cần Thơ, 2010
Khảo sát chu kỳ sinh sản và thành phần sinh hóa của hàu Crassostrea sp. ở khu vực rừng ngập mặn của huyện Ngọc Hiển, tỉnh Cà Mau, được thực hiện từ tháng 1 đến tháng 12 năm 2008.
Ngô Thị Thu Thảo   +1 more
doaj  

Molecular evidence of the protozoan parasite Marteilia refringens in Crassostrea gigas and Crassostrea corteziensis from the Gulf of California

open access: yesLatin American Journal of Aquatic Research, 2015
The search for exotic pathogens related to the outbreaks and in surveillance samplings of the Mexican oyster farms, is a recent activity achieved by academic institutions and state committees for Aquatic Animal Health, with remarkable results. In samples
José Manuel Grijalva-Chon   +4 more
doaj   +1 more source

Comparison of Composition and Selected Enzyme Activities in Crassostrea virginica and Crassostrea gigas, Eastern and Korean Oysters

open access: yesJournal of Food Protection, 1979
Tissues of Eastern ( Crassostrea virginica ) and Korean ( Crassostrea gigas ) oysters were analyzed for proximate composition; elemental, amino acid, and pesticide contents; and selected enzyme activities. Eastern oysters contained more nitrogen but a lower ash and lipid content.
Janis A, Burnette   +3 more
openaire   +2 more sources

Anestesia em ostras do gênero Crassostrea cultivadas no Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Este estudo avaliou: 1) o tempo necessário para indução í­Â  anestesia e recuperação das ostras Crassostrea rhizophorae, Crassostrea gasar e Crassostrea gigas utilizando cloreto de magnésio (MgCl2); 2) a sobrevivência após anestesia e amostragem gonadal;
Angela PUCHNICK-LEGAT   +4 more
doaj  

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