Hannah Owens
banner
hannahoish.bsky.social
Hannah Owens
@hannahoish.bsky.social
She/her. Fixed-term Assistant Professor; Center for Macroecology, Evolution, and Climate and Center for Global Mountain Biodiversity; Globe Institute; Copenhagen University. Ecology & evolution w/ natural history collections and R. #FishADay Ally is a verb
And one last bonus for the taxonomy sticklers out there: Supplemental Table 1 shows how I rectified GBIF and OBIS taxonomies against Eschmeyer's Catalog of Fishes!
November 6, 2025 at 9:57 AM
Check out the supplementary materials for animated maps of inferred gadiform (cod), scombriform (tuna), and beloniform (flying fish) species richness in the Atlantic, plus citations for all 924 datasets that contributed occurrence information to this work #CiteTheDOI
November 6, 2025 at 9:57 AM
"If the investigator's hand is moved to within an inch or so of the fish it pounces forward and inflicts a vigorous bite." Walters and Robins, 1961, 2/2
October 23, 2025 at 11:16 AM
"The new species is fully as pugnacious as its relatives. Individuals gape their mouths when the investigator's hand is placed several inches away. If no further encroachment is made, no further action is taken." Walters and Robins, 1961, 1/2
October 23, 2025 at 11:16 AM
Silver Carp have been found in Illinois since the 1990s, but concerted efforts have so far kept them out of Lake Michigan, which would be a huge problem for the Great Lakes. Funding has just been approved to build a new barricade to make control easier. www.wbez.org/environment/...
Illinois one step closer to keeping invasive carp out of Great Lakes
For decades, officials have worried the fish could wreak disaster on the world’s largest freshwater ecosystem and the multibillion-dollar tourism, boating and fishing industries that rely on it. Now, ...
www.wbez.org
October 22, 2025 at 1:08 PM
Long ago, when I still had the pleasure of doing fieldwork, I used pencil for that--Rite-in-the-rain notebooks for terrestrial notes, 3-ring binders for boat-based notes and catalog pages. Ink is for indoor-kid work ;).
October 15, 2025 at 1:32 PM
Of course, this didn't get really serious until I was a PhD student. Every notebook has to be bound (no spirals, where a page could get ripped out without anyone noticing), and always in pen (preferable archival ink). I still have notes on Sanger sequencing protocols. This will be book 7.
October 15, 2025 at 8:46 AM