Results 51 to 60 of about 293 (144)

Evaluating the impact of captive ancestry on the growth and survival of Delta Smelt in a captive environment

open access: yesAquaculture Reports
Delta Smelt Hypomesus transpacificus, is an endangered fish endemic to the California San Francisco Bay-Delta, USA. Extreme declines of the wild Delta Smelt population have prompted use of cultured fish to supplement the wild population since 2021 to ...
Samantha N. Chase   +6 more
doaj   +1 more source

The health and condition responses of Delta Smelt to fasting: A time series experiment.

open access: yesPLoS ONE, 2020
There is an extensive literature establishing, validating, and quantifying a wide range of responses of fishes to fasting. Our study complements this work by comparing fed and unfed treatments of hatchery-raised Delta Smelt (Hypomesus transpacificus)-an ...
Bruce G Hammock   +8 more
doaj   +1 more source

Spatially dynamic abundance patterns for a rare fish species

open access: yesEcosphere, Volume 16, Issue 7, July 2025.
Abstract Recovery of rare and imperiled species is often supported by targeting the dynamic drivers of abundance patterns. However, knowledge of these drivers can be obscured by challenges stemming from species detectability and autocorrelated data. Longfin Smelt (Spirinchus thaleichthys) in the San Francisco Bay‐Delta have become rare as the result of
Valerie A. Steen   +2 more
wiley   +1 more source

Rapid CRISPR‐Cas13a genetic identification enables new opportunities for listed Chinook salmon management

open access: yesMolecular Ecology Resources, Volume 25, Issue 5, July 2025.
Abstract Accurate taxonomic identification is foundational for effective species monitoring and management. When visual identifications are infeasible or inaccurate, genetic approaches provide a reliable alternative. However, these approaches are sometimes less viable (e.g., need for near real‐time results, remote locations, funding concerns, molecular
Melinda R. Baerwald   +6 more
wiley   +1 more source

The Future of Pathogen Detection in Aquaculture: Miniature Labs, Field‐Compatible Assays, environmental DNA and RNA, CRISPR and Metatranscriptomics

open access: yesAquaculture, Fish and Fisheries, Volume 5, Issue 3, June 2025.
ABSTRACT Inland recirculating aquaculture is a thriving food industry providing sustainable and locally sourced high‐quality protein. However, its expansion is accompanied by emerging challenges regarding the spread of pathogens and diseases. Detection and management of pathogens in aquaculture remain underdeveloped compared to other animal farming ...
Jessica Rieder   +3 more
wiley   +1 more source

Characterizing macroinvertebrate community composition and abundance in freshwater tidal wetlands of the Sacramento-San Joaquin Delta.

open access: yesPLoS ONE, 2019
Restored tidal wetlands may provide important food web support for at-risk fish species in the Sacramento-San Joaquin Delta (Delta) of California, including Delta Smelt (Hypomesus transpacificus) and Chinook Salmon (Oncorhynchus tshawytscha).
Rosemary Hartman   +4 more
doaj   +1 more source

The impact of increasing turbidity on the predator–prey interactions of freshwater fishes

open access: yesFreshwater Biology, Volume 70, Issue 1, January 2025.
Abstract Human activities are exacerbating environmental change globally. Turbidity in freshwater systems is increasing due to extreme weather events and intensification of activities such as deforestation, urbanisation, agriculture and altering water flow with dams and other structures.
Costanza Zanghi, Christos C. Ioannou
wiley   +1 more source

Evaluation and Interpretation of Genetic Effective Population Size of Delta Smelt from 2011–2014

open access: yesSan Francisco Estuary and Watershed Science, 2017
https://doi.org/10.15447/sfews.2017v15iss2art5Delta Smelt have collapsed demographically, but little is known about their current genetic status. We used 12 microsatellite loci to evaluate two measures of the effective population size (Ne) of Delta ...
Amanda J. Finger   +3 more
doaj  

Identification, Characterization, and Expression Analysis of CD79A and CD79B in the Sichuan Taimen (Hucho bleekeri)

open access: yesAquaculture Research, Volume 2025, Issue 1, 2025.
In the immune system, humoral immunity is mediated by B lymphocytes that destroy antigens through the production of antibodies by plasma cells. The CD79A and CD79B play important roles in the transduction of antigen‐stimulated signals. However, only a few studies have investigated the immune functions of CD79A and CD79B in teleosts.
Yeyu Chen   +10 more
wiley   +1 more source

Validating estuarine movements from otoliths for an imperiled fish

open access: yesAquatic Biology
The application of otolith tools to infer the movement history of fishes requires controlled experiments to validate methods and assess confidence in inferences gained for wild specimens.
LS Lewis   +12 more
doaj   +1 more source

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