Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois

The Bigeye Chub (Hybopsis amblops) once inhabited streams and rivers in eastern and southeastern Illinois and was thought to be extirpated in the state by the 1970s. However, it was rediscovered in the 1990s from the Little Vermilion River. Today, H. amblops has become widespread and locally abundan...

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Main Authors: Jeremy S. Tiemann, Sarah A. Douglass, Josh L. Sherwood, Andrew J. Stites, Michael J. Dreslik
Format: Article
Language:English
Published: Taylor & Francis Group 2022-12-01
Series:Journal of Freshwater Ecology
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/02705060.2022.2085199
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author Jeremy S. Tiemann
Sarah A. Douglass
Josh L. Sherwood
Andrew J. Stites
Michael J. Dreslik
author_facet Jeremy S. Tiemann
Sarah A. Douglass
Josh L. Sherwood
Andrew J. Stites
Michael J. Dreslik
author_sort Jeremy S. Tiemann
collection DOAJ
description The Bigeye Chub (Hybopsis amblops) once inhabited streams and rivers in eastern and southeastern Illinois and was thought to be extirpated in the state by the 1970s. However, it was rediscovered in the 1990s from the Little Vermilion River. Today, H. amblops has become widespread and locally abundant in streams of the Wabash River drainage. Currently, little is known about the spawning and reproductive ecology of H. amblops. We conducted a study in the Salt Fork Vermilion River to determine the spawning schedule and microhabitats of H. amblops. Based upon near-weekly samples in May and June in 2019 and 2021, we determined H. amblops spawns in moderate water velocity over sandy gravel substrates when water temperatures are between 18–22 °C. Understanding such ecological traits is necessary for the continued success of H. amblops throughout its range.
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spelling doaj.art-a34c121a287b4cd4b2998725836094472022-12-22T00:57:49ZengTaylor & Francis GroupJournal of Freshwater Ecology0270-50602156-69412022-12-0137132533610.1080/02705060.2022.2085199Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in IllinoisJeremy S. Tiemann0Sarah A. Douglass1Josh L. Sherwood2Andrew J. Stites3Michael J. Dreslik4Illinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, ILIllinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, ILIllinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, ILIllinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, ILIllinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, ILThe Bigeye Chub (Hybopsis amblops) once inhabited streams and rivers in eastern and southeastern Illinois and was thought to be extirpated in the state by the 1970s. However, it was rediscovered in the 1990s from the Little Vermilion River. Today, H. amblops has become widespread and locally abundant in streams of the Wabash River drainage. Currently, little is known about the spawning and reproductive ecology of H. amblops. We conducted a study in the Salt Fork Vermilion River to determine the spawning schedule and microhabitats of H. amblops. Based upon near-weekly samples in May and June in 2019 and 2021, we determined H. amblops spawns in moderate water velocity over sandy gravel substrates when water temperatures are between 18–22 °C. Understanding such ecological traits is necessary for the continued success of H. amblops throughout its range.https://www.tandfonline.com/doi/10.1080/02705060.2022.2085199Endangered speciesfish reproductiondemersal eggsbroadcast spawnerslithophilic spawner
spellingShingle Jeremy S. Tiemann
Sarah A. Douglass
Josh L. Sherwood
Andrew J. Stites
Michael J. Dreslik
Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois
Journal of Freshwater Ecology
Endangered species
fish reproduction
demersal eggs
broadcast spawners
lithophilic spawner
title Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois
title_full Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois
title_fullStr Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois
title_full_unstemmed Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois
title_short Spawning schedule of the imperiled Bigeye Chub (Hybopsis amblops) in Illinois
title_sort spawning schedule of the imperiled bigeye chub hybopsis amblops in illinois
topic Endangered species
fish reproduction
demersal eggs
broadcast spawners
lithophilic spawner
url https://www.tandfonline.com/doi/10.1080/02705060.2022.2085199
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