Joacim Näslund
@jnaslund.bsky.social
Fish biologist (Researcher) at SLU Aqua (Sweden). Swedish fish fauna, river restoration, monitoring, invasive species, stock fish aquaculture, electrofishing, species reintroduction, ethology/behaviour, and general fish ecology. Expressed views are my own.
July 7, 2025 at 10:00 AM
It must be the purple bone in the centre of the upper image on the picture below. Some kind of cod fish (gadid) seems reasonable. Picture source: www.reptileevolution.com/gadus.htm
June 19, 2025 at 10:07 PM
It must be the purple bone in the centre of the upper image on the picture below. Some kind of cod fish (gadid) seems reasonable. Picture source: www.reptileevolution.com/gadus.htm
Har en liten aning om vad som kommer hända ganska exakt där Kielkanalen går idag... vi kan kalla det för "Nya Bält".
May 20, 2025 at 11:28 AM
Har en liten aning om vad som kommer hända ganska exakt där Kielkanalen går idag... vi kan kalla det för "Nya Bält".
Looking for help with identifying some fish species on North Korean postage stamps. Any experts on Asian marine species around? #Fish #FishIdentification
Identification to genus of family is OK
I guess number 3 could be Sebastidae?
Identification to genus of family is OK
I guess number 3 could be Sebastidae?
March 22, 2025 at 11:38 AM
Looking for help with identifying some fish species on North Korean postage stamps. Any experts on Asian marine species around? #Fish #FishIdentification
Identification to genus of family is OK
I guess number 3 could be Sebastidae?
Identification to genus of family is OK
I guess number 3 could be Sebastidae?
An alternative perspective from a bench in Prague...
January 12, 2025 at 1:00 AM
An alternative perspective from a bench in Prague...
10. I still keep my 4th place trophy, which is unreasonably large.
November 24, 2024 at 3:52 PM
10. I still keep my 4th place trophy, which is unreasonably large.
The 2020-2024 wordcloud (SLU Aqua-period) is more diversified:
November 21, 2024 at 1:53 PM
The 2020-2024 wordcloud (SLU Aqua-period) is more diversified:
My 'whole-career' Scholargoggler (scholargoggler.com) wordcloud. Heavily influenced by the PhD-work (although, I still work quite a bit on brown trout and Atlantic salmon).
November 21, 2024 at 1:48 PM
My 'whole-career' Scholargoggler (scholargoggler.com) wordcloud. Heavily influenced by the PhD-work (although, I still work quite a bit on brown trout and Atlantic salmon).
A crisp -15C today. Quite rare in Stockholm. View from the lab.
December 6, 2023 at 3:49 PM
A crisp -15C today. Quite rare in Stockholm. View from the lab.
Here is Klarälven, near Råda, in the 50's-60's sometime... encircled is the timber waiting to be floated downstream.
November 5, 2023 at 1:48 AM
Here is Klarälven, near Råda, in the 50's-60's sometime... encircled is the timber waiting to be floated downstream.