Results 61 to 70 of about 10,495 (246)

Exposure to the Oestrogenic Pollutant 17α‐Ethinyl Estradiol (EE2) Does Not Alter the Behaviour of a Coastal Marine Fish, Cristiceps australis

Ethology, EarlyView.
Environmental contamination with the synthetic estrogen 17α‐ethinyl estradiol (EE2) is widespread in coastal ecosystems, yet behavioural effects in marine fishes remain poorly understood. We exposed southern crested weedfish (Cristiceps australis) to low and high EE2 concentrations for 14 days and assessed boldness and anxiety using a refuge‐use assay.
Shiho Ozeki, Rhiannon V. Eastment, Jack L. Manera, Raiko Rafeeq, Anne Peters, Jake M. Martin, Bob B. M. Wong   +6 more
wiley   +1 more source

A Conceptual Framework and Methods for Studying the Connectivity of Fishes

Fish and Fisheries, EarlyView.
ABSTRACT Connectivity is a multifaceted concept that has important implications for the management and conservation of marine and freshwater fishes. We developed a conceptual framework that encompasses multiple, interrelated categories of connectedness, including landscape (e.g., structural, functional) connectivity and ecological (e.g., trophic ...
Jordanna N. Bergman, Jessica A. Robichaud, Jasper McCutcheon, Michael T. Booth, Brendan Campbell, Grace A. Casselberry, Cienna R. Cooper, Bronwyn M. Gillanders, Lucas P. Griffin, Edward Hale, Luc LaRochelle, Karen J. Murchie, Mary Peacock, Reid G. Swanson, Simon D. Stewart, Ryan. J. Woodland, Daniel P. Zielinski, Steven J. Cooke, Morgan L. Piczak   +18 more
wiley   +1 more source

Visual Modelling to Predict Behavioural Responses of Catsharks, Skates, and Plaice to Artificial Light for Use in Bycatch Reduction

Fisheries Management and Ecology, EarlyView.
ABSTRACT Light can be used to deter bycatch from fishing nets, but few studies have aimed to quantify how species view and respond to light. Here, we used visual models to predict how target (plaice Pleuronectes platessa) and bycatch (small‐spotted catshark Scyliorhinus canicular and undersized skates, Raja spp) species, captured in mixed demersal ...
Jasmine Somerville, Jon Blount, Martin Stevens   +2 more
wiley   +1 more source

Resource partitioning among algal turf‐feeding fishes on a tropical artificial shoreline

Journal of Fish Biology, EarlyView.
Abstract Rapid coastal development has led to the proliferation of artificial structures along urban shorelines. Numerous studies have shown that patterns of fish diversity associated with these novel habitats are driven by physical habitat complexity; however, trophic‐mediated processes in shaping these patterns remain poorly understood.
Daisuke Taira, Hannah H. J. Yeo, Peter A. Todd   +2 more
wiley   +1 more source

Too hot for comfort: Elevated temperatures influence gene expression and exceed thermal tolerance of bigmouth shiners, Ericymba dorsalis

Journal of Fish Biology, EarlyView.
Abstract Environmental and associated ecosystem change may affect the persistence of fish species based on their ability to adapt to changing conditions, including decreasing flows and rising water temperatures. Exceeding the thermal tolerances of stream fish will likely result in a loss of ability to maintain metabolic processes.
Ella K. Humphrey, Jonathan J. Spurgeon, Lizbeth Bowen, Robert E. Wilson, Shannon C. Waters‐Dynes, Braxton M. Newkirk, Sarah A. Sonsthagen   +6 more
wiley   +1 more source

Estimation of phytochemicals, antioxidant, antidiabetic and brine shrimp lethality activities of some medicinal plants growing in Nepal [PDF]

, 2021
Junu Kapali, Khaga Raj Sharma
openalex   +1 more source

Ontogeny of escape response and body shape in threespine stickleback (Gasterosteus aculeatus L.)

Journal of Fish Biology, EarlyView.
Abstract Escape responses in fishes provide insight into accelerative motions and behavioural response times of these animals, linking numerous fitness‐related traits. We sought to connect escape response performance to genotype and phenotype across ontogenetic stages within a single population of threespine stickleback (Gasterosteus aculeatus L.) to ...
Aspen M. Kozak, Michael Chung, Sean M. Rogers, Kelsey N. Lucas, Heather A. Jamniczky   +4 more
wiley   +1 more source

In Vitro Anti-Inflammatory, Anticancer (MCF-7, 3T3, and HeLa Cell Lines), and Brine Shrimp Lethality Assay and FTIR Analysis of the Extract and Fractions of the Whole Plant of Heliotropium europaeum

Mediators of Inflammation, 2020
In this study, anti-inflammatory, anticancer, brine shrimp lethality, and FTIR studies were evaluated. The oxidative burst assay using the chemiluminescence technique, MTT assay, brine shrimp lethality assay, and FTIR analysis were the methods used for ...
Jahangir Khan Achakzai, Muhammad Anwar Panezai, Basira Akhtar, Shahabuddin Kakar, Ali Akbar, Abdul Manan Kakar, Javed Khan, Nazima Yousaf Khan, Ghulam Mustafa Khan, Muhammad Imran, Marina Panezai, Nisar Ahmed Shahwani, Tehmina Achakzai   +12 more
doaj   +1 more source

Experimentally testing the function of anal fins in the bluefin killifish, Lucania goodei

Journal of Fish Biology, EarlyView.
Abstract Anal fins are thought to affect many functions, including swimming, sperm flow and signalling. However, there are few experimental demonstrations of these functions. We manipulated male anal fins by placing a cut in the fin. We found that cut males had lower fertilization rates than uncut males.
Edie Smelko, Rebecca C. Fuller
wiley   +1 more source

Brine Shrimp test Triterpenes from root bark of Sandoricum emarginatum

Journal of Biological Researches, 1997
The root of Sondoricum emargiatum , Meliaceae was collected in North Tapanuli, North Sumatera. Local people use this timber plany for construction and the fruit bark for cooking (Naito, 1986).
Pratiwi Pratiwi, Suyanto Suyanto, Sudestry Manik, Cicik S Cahyandari, Alfinda N Kristanti   +4 more
doaj   +1 more source