Better and faster decisions by larger fish shoals in the wild.

Pacher, K., Bierbach, D., Sevinchan, Y., Vollmoeller, C., Juarez-Lopez, A., Jiménez-Jiménez, J.E., Krause, S., Wolf, M., Romanczuk, P., Arias-Rodríguez, L., Krause, J., 2025.

Science Advances

https://doi.org/10.1126/sciadv.adt8600

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Collective escape waves provide a generic defence against different avian predators.

Bierbach, D., Lukas, J., Gómez-Nava, L., Francisco, F.A., Arias-Rodriguez, L., Krause, S., Pacher, K., Sevinchan, Y., Romanczuk, P., Krause, J., 2025. 

Royal Society Open Science

https://doi.org/10.1098/rsos.241055

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Standards for scientific fishkeeping: Poeciliid fishes with special focus on the guppy and mollies.

Bierbach, D., Schutz, C., Scherer, U., Pacher, K., 2025.

Bulletin of Fish Biology

https://www.ichthyologie.de/wp-content/uploads/2025/05/Bierbach-et-al-2025-Standards-for-scientific-fish-keeping-Poeciliid-fishes-Bull-Fish-Biol-20-71-85.pdf

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Spatio-Temporal Dynamics of Social Contagion in Bio-inspired Interaction Networks.

Sevinchan, Y., Vollmoeller, C., Pacher, K., Bierbach, D., Arias-Rodriguez, L., Krause, J., Romanczuk, P., 2025. 

in: Brock, O., Krichmar, J. (Eds.),

From Animals to Animats

https://doi.org/10.1007/978-3-031-71533-4_10

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Striped individuals of the grass snake, Natrix natrix (Linnaeus, 1758) in anthropogenic habitats of Berlin, Germany, might indicate human introduction.

Griesbaum, F. & Pacher, K., 2024.

North-Western Journal of Zoology

https://biozoojournals.ro/nwjz/content/v20n1/nwjz_e242502_Griesbaum.pdf

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Evidence for a by-product mutualism in a group hunter depends on prey movement state.

Pacher, K., Krause, J., Bartashevich, P., Romanczuk, P., Bideau, P., Pham, D., Burns, A.L., Deffner, D., Dhellemmes, F., Binder, B., Boswell, K.M., Galván-Magaña, F., Domenici, P., Hansen, M.J., 2024.

Functional Ecology 

https://doi.org/10.1111/1365-2435.14638

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Sailfish generate foraging opportunities for seabirds in multi-species predator aggregations.

Licht, M., Burns, A.L., Pacher, K., Krause, S., Bartashevich, P., Romanczuk, P., Hansen, M.J., Then, A.Y., Krause, J., 2024. 

Biology Letters

https://doi.org/10.1098/rsbl.2024.0177

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Thermal tolerance in an extremophile fish from Mexico is not affected by environmental hypoxia.

Pacher, K., Hernández-Román, N., Juarez-Lopez, A., Jiménez-Jiménez, J.E., Lukas, J., Sevinchan, Y., Krause, J., Arias-Rodríguez, L., Bierbach, D., 2024.

Biology Open

https://doi.org/10.1242/bio.060223

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The rostral micro-tooth morphology of blue marlin, Makaira nigricans.

Pacher, K., Breuker, M., Hansen, M.J., Kurvers, R.H.J.M., Häge, J., Dhellemmes, F., Domenici, P., Steffensen, J.F., Krause, S., Hildebrandt, T., Fritsch, G., Bach, P., Sabarros, P.S., Zaslansky, P., Mahlow, K., Müller, J., Armas, R.G., Ortiz, H.V., Galván-Magaña, F., Krause, J., 2024.

Journal of Fish Biology

https://doi.org/10.1111/jfb.15608

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California sea lions interfere with striped marlin hunting behaviour in multi-species predator aggregations.

Hansen, M., Kurvers, R., Licht, M., Häge, J., Pacher, K., Dhellemmes, F., Trillmich, F., Elorriaga-Verplancken, F., Krause, J., 2023. 

Philosophical transactions of the Royal Society of London. Series B, Biological sciences

https://doi.org/10.1098/rstb.2022.0103

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Mechanisms of prey division in striped marlin, a marine group hunting predator.

Hansen, M.J., Krause, S., Dhellemmes, F., Pacher, K., Kurvers, R.H.J.M., Domenici, P., Krause, J., 2022.

Communications Biology

https://doi.org/10.1038/s42003-022-03951-3

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Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus.

Häge, J., Hansen, M.J., Pacher, K., Dhellemmes, F., Domenici, P., Steffensen, J.F., Breuker, M., Krause, S., Hildebrandt, T.B., Fritsch, G., Bach, P., Sabarros, P.S., Zaslansky, P., Mahlow, K., Schauer, M., Müller, J., Krause, J., 2022. 

Journal of Fish Biology

https://doi.org/10.1111/jfb.15018