Bifenthrin exposure causes hyperactivity in early larval stages of an endangered fish species at concentrations that occur during their hatching season

PC Mundy, MF Carte, SM Brander, TC Hung… - Aquatic Toxicology, 2020 - Elsevier
Bifenthrin is a pyrethroid insecticide commonly used in agricultural and urban sectors, and is
found in watersheds worldwide. As a sodium channel blocker, at sublethal concentrations it …

Exposure to permethrin or chlorpyrifos causes differential dose-and time-dependent behavioral effects at early larval stages of an endangered teleost species

PC Mundy, KEH Hartz, CA Fulton, MJ Lydy… - Endangered species …, 2021 - int-res.com
Pyrethroid and organophosphate pesticides are two of the most commonly used classes of
insecticide worldwide. At sublethal concentrations, permethrin (a pyrethroid) and …

Captive-reared Delta Smelt (Hypomesus transpacificus) exhibit high survival in natural conditions using in situ enclosures

MR Baerwald, N Kwan, C Pien, G Auringer… - PloS one, 2023 - journals.plos.org
Conservation of endangered fishes commonly includes captive breeding, applied research,
and management. Since 1996, a captive breeding program has existed for the federally …

Size, fecundity and condition factor changes in endangered delta smelt Hypomesus transpacificus over 10 generations in captivity

L Ellison, MM Rahman, AJ Finger… - … , Fish and Fisheries, 2023 - Wiley Online Library
The once abundant delta smelt Hypomesus transpacificus is now on the verge of extinction.
At the UC Davis Fish Conservation and Culture Laboratory, a refuge population has been …

Visual, spectral, and microchemical quantification of crystalline anomalies in otoliths of wild and cultured delta smelt

LS Lewis, JL Huang, M Willmes, RA Fichman… - Scientific reports, 2022 - nature.com
Developmental abnormalities in otoliths can impact growth and survival in teleost fishes.
Here, we quantified the frequency and severity of developmental anomalies in otoliths of …

Characterizing the stress response in juvenile Delta smelt exposed to multiple stressors

C Pasparakis, AN Wampler, T Lohroff… - … and Physiology Part A …, 2022 - Elsevier
Abstract The Delta Smelt (Hypomesus transpacificus), once an abundant fish endemic to the
Sacramento-San Joaquin Estuary, is now on the brink of extinction. Due to the high …

Early weaning in endangered Delta smelt: effect of weaning time on growth and survival

TC Hung, L Ellison, T Stevenson… - … American Journal of …, 2022 - Wiley Online Library
Successful aquaculture operations strive to produce high‐quality, healthy fish while
minimizing costs. One way to do this is to wean fish off live feed as soon as possible to a …

Dispersal and survival of captive-reared threatened fishes in a Tonle Sap Lake Reserve

T Campbell, PB Ngor, B Chan, JC Eschenroeder… - Water, 2022 - mdpi.com
The Tonle Sap Lake in Cambodia supports several species of threatened megafish and
contains one of the largest networks of freshwater fish reserves in the world. Despite these …

Effects of turbidity, temperature and predation cue on the stress response of juvenile delta smelt

C Pasparakis, T Lohroff, F Biefel… - Conservation …, 2023 - academic.oup.com
Abstract The San Francisco Estuary (SFE) is one of the most degraded ecosystems in the
United States, and organisms that inhabit it are exposed to a suite of environmental …

Using physiology to recover imperiled smelt species

YR Yanagitsuru, BE Davis, MR Baerwald, TR Sommer… - Fish Physiology, 2022 - Elsevier
Delta smelt is an endemic and critically endangered fish species inhabiting the San
Francisco Estuary that has become entangled in the conflict between environmental and …