Antonia Klöcker

🧵 4/4 Co-authored by researchers from @thembauk.bsky.social @whoi.edu including
@thesimslab.bsky.social @nunoqueiroz29.bsky.social and others. Funded by the Norwegian Research Council

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Depth-Temperature envelope for two basking sharks tracked for 365 days

🧵 3/4 Continuous time series revealed a wider thermal envelope than previously assumed. #BaskingSharks seem to tolerate Arctic waters below 1°C for hours and endure temperatures below 5°C for several weeks.

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Daily depth time series across habitats occupied by the sharks across the year. Dots highlight bioluminescence events.

🧵2/4 Diving patterns were highly context-dependent. Following topography, light, temperature, and bioluminescent biomass, #sharks seemed to be tracking their planktonic prey year-round across habitats.

12.05.2025 09:10 — 👍 1    🔁 0    💬 1    📌 0

#BaskingSharks of the #ArticCircle 📢Tracking the second largest #fish for a full year, our new paper invites you on a deep #dive into the life of a cold water giant between the Barents Sea and the Azores 🐟❄️🌊🏝️🇳🇴
#sharkscience #IMR @forskning.no
@aquatictracking.bsky.social
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🚨 rdcu.be/elqvS

12.05.2025 09:10 — 👍 15    🔁 6    💬 4    📌 2

Fishing boat with a solid catch in the net at Buagrunnen in Møre, 2019. Foto: Per Eide / Havforskninginstituttet

Schooling fish, such as herring, are led by individuals with extensive experience. Foto: Havforskningsinstituttet

📢 New IMR research reveals alarming effects of overfishing on herring 🐟 Age-selective fisheries caused an 800-km poleward shift in spawning, disrupting collective memory and migration patterns. #FishMigration #FisheriesManagement
www.nature.com/articles/s41...
www.hi.no/hi/nyheter/2...

09.05.2025 09:57 — 👍 9    🔁 0    💬 0    📌 0