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Ben Leonhardt

@theleonhardt.bsky.social

Biological Science Technician with USGS GLSC Ann Arbor. MS from Purdue University. BS from The Ohio State Univeristy. Tweets are my own.

65 Followers  |  75 Following  |  2 Posts  |  Joined: 14.12.2024  |  1.4881

Latest posts by theleonhardt.bsky.social on Bluesky

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Burbot Population Dynamics in Northern Lake Michigan, 2001–2023, and Predation on Newly Stocked Lake Trout by Burbot Although the worldwide status of burbot (Lota lota) across its Holarctic distribution has recently been assessed, adverse effects of dreissenid mussels on burbot abundance in waters invaded by mussel....

Check out our new paper on status of burbot in Northern Lake Michigan and their predation on newly stocked lake trout! doi.org/10.1111/fme....

13.01.2025 13:18 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Coded wire tag with #640806

Coded wire tag with #640806

Bloater otoliths embedded in epoxy in a mold

Bloater otoliths embedded in epoxy in a mold

With 2024 field work finished, 2025 will begin in the lab working on reading lake trout coded wire tags and sectioning otoliths for aging!

31.12.2024 21:57 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Merry Xmas eve, eve!

We are looking for a PhD student applicant interested in working on Pacific salmon, quantitative ecology, and collaborative fisheries management with the Central Coast First Nations. See attached advertisement. Please circulate widely!

24.12.2024 00:12 β€” πŸ‘ 27    πŸ” 13    πŸ’¬ 1    πŸ“Œ 1
The #25DaysofFishmas calendar with goldfish on Day 23; the calendar is a grid of 25 red squares

The #25DaysofFishmas calendar with goldfish on Day 23; the calendar is a grid of 25 red squares

It’s #Festivus, so you know what that means - time for an Airing of Grievances about a #GreatLakes Grinch!

Goldfish (Carassius auratus) - yes, the goldfish of home aquariums worldwide - have unfortunately been an invasive species in the #GreatLakes for decades #25DaysofFishmas

23.12.2024 14:01 β€” πŸ‘ 61    πŸ” 21    πŸ’¬ 3    πŸ“Œ 1

operational update:

for all celebrating Festivus this evening, we have opened our Aeration of Grievances tanks for increased capacity in the overnight hours.

23.12.2024 20:15 β€” πŸ‘ 266    πŸ” 29    πŸ’¬ 3    πŸ“Œ 5
A quillback carpsucker wearing a Santa hat; the text says December 20

A quillback carpsucker wearing a Santa hat; the text says December 20

Quillbacks are deeper-bodied than most suckers, giving them a carp-like appearance. The genus name β€œCarpiodes” means β€œcarplike” + the species name β€œcyprinus” refers to the generic name of the common carp, so together, Carpiodes cyprinus basically translates to:

β€œCarp carp” #25DaysofFishmas

20.12.2024 14:04 β€” πŸ‘ 40    πŸ” 8    πŸ’¬ 2    πŸ“Œ 1
Final Day. Board of Director Election. Picture of scrabble tiles spelling the word vote.

Final Day. Board of Director Election. Picture of scrabble tiles spelling the word vote.

LAST DAY! The end of the calendar year means it's time to get your vote in for the IAGLR Board of Directors. The election runs until midnight tonight. Don't miss out on having your voice heard.

20.12.2024 19:35 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Alewife in the #GreatLakes are sensitive to seiche-driven upwelling events, forcing large schools to go tight to shore. Implications for potential fish entrainment at cooling-water intake facilities. Results from a fish diversion system monitoring study using #acoustics. 🐟
doi.org/10.1080/0275...

18.12.2024 20:32 β€” πŸ‘ 13    πŸ” 4    πŸ’¬ 1    πŸ“Œ 0
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Quote: "Invasive species...reduce the effectiveness of climate adaptation and mitigation actions. Management of invasive species can safeguard carbon sequestration, protect communities and infrastructure, and minimize economic and biodiversity losses." conbio.onlinelibrary.wiley.com/doi/10.1111/...

15.12.2024 00:46 β€” πŸ‘ 11    πŸ” 4    πŸ’¬ 0    πŸ“Œ 1
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We are on the final countdown for #IAGLR25 abstract submissions. Get yours in now before the Monday, December 16 deadline. Just a reminder, the #GreatLakesSci conference is hybrid with flexible presentation options. For more information: bit.ly/3UPFRih

14.12.2024 22:16 β€” πŸ‘ 2    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

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