Fumio Takeshita

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…

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...

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...

🚨 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...

Non-flying bird has been flying

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…

I’m happy to announce our paper published online! Thank you for your interest!

www.sciencedirect.com/science/arti...

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…!

妻の知り合いの畑で採れた島落橋を楽しんでいる

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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