Fumio Takeshita
@fum10.bsky.social
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Researcher & curator of marine invertebrates at KMNH / Research for animal behaviour & ecology
Our paper is out from Animal Behaviour! Fiddler crabs can discriminate between neighbor unfamiliar individuals and familiar ones in the territorial fighting.
www.sciencedirect.com/science/arti...
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Dear enemy phenomenon in fiddler crabs: escalation of fights with unfamiliar individuals rather than familiar neighbours
In territorial animals, fights against strangers are often more aggressive than those against neighbours. This is called the ‘dear enemy’ phenomenon a…
https://www.sciencedirect.com/science/article/abs/pii/S0003347226000072
3 days ago
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reposted by
Fumio Takeshita
Jo Wolfe, PhD
5 months ago
🚨 Exciting new crab preprint! A Japanese team found that sideways walking only evolved once! Maybe carcinization itself is necessary but not sufficient to go sideways? When it's lost, the species that go forward have alternate anti predation behaviors. 🧪🦑🦀
www.biorxiv.org/content/10.1...
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Evolution of sideways locomotion in crabs
The evolutionary change in the mode of locomotion is often a major evolutionary event, triggering diversification. Sideways locomotion is a defining feature of true crabs (Brachyura) and may have cont...
https://www.biorxiv.org/content/10.1101/2025.09.20.677458v1
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Non-flying bird has been flying
about 2 months ago
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8 months ago
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I’m happy to announce our paper published online! Thank you for your interest!
www.sciencedirect.com/science/arti...
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Parasite aggregations: Females attract conspecific males to the hosts in the ectoparasitic isopod Onisocryptus ovalis
For symbionts of marine invertebrates, migration between hosts for mate-searching entails various ecological difficulties. Aggregation in hosts is a b…
https://www.sciencedirect.com/science/article/abs/pii/S0022098125000267
9 months ago
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reposted by
Fumio Takeshita
Jack A Brand
10 months ago
Super happy to see our new article on how pharmaceutical pollution can influence salmon migration out in
@science.org
! This was a huge effort by a great team of researchers over the last few years! You can read the paper here:
science.org/doi/10.1126/sc…
!
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妻の知り合いの畑で採れた島落橋を楽しんでいる
11 months ago
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reposted by
Fumio Takeshita
Behavioral Ecology
11 months ago
Our ⚠️March/April issue ⚠️ just dropped with this gorgeous cover image of an adult yellow-bellied marmot (Marmota flaviventer) at the Rocky Mountain Biological Laboratory in Colorado. Photo: Daniel T. Blumstein Check the new issue out here 👉
academic.oup.com/beheco/issue...
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11 months ago
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