Turbulence from spawning fish keeps a healthy circulation in coastal waters

Journal Reference: Bieito Fernández Castro, Marian Peña, Enrique Nogueira, Miguel Gilcoto, Esperanza Broullón, Antonio Comesaña, Damien Bouffard, Alberto C. Naveira Garabato, Beatriz Mouriño-Carballido. Intense upper ocean mixing due to large aggregations of spawning fish. Nature Geoscience, 2022; DOI: 10.1038/s41561-022-00916-3 Oceans are made up of multiple layers, ranging from lighter, warmer waters at the top to … Read more

Study reveals: Fish can calculate

Journal Reference: V. Schluessel, N. Kreuter, I. M. Gosemann, E. Schmidt. Cichlids and stingrays can add and subtract ‘one’ in the number space from one to five. Scientific Reports, 2022; 12 (1) DOI: 10.1038/s41598-022-07552-2 Suppose there are some coins on the table in front of you. If the number is small, you can tell right … Read more

Early killer whales ate fish — not other marine mammals

Journal Reference: Giovanni Bianucci, Jonathan H. Geisler, Sara Citron, Alberto Collareta. The origins of the killer whale ecomorph. Current Biology, 2022; DOI: 10.1016/j.cub.2022.02.041 Now, a study published March 7 in the scientific journal Current Biology, co-authored by Jonathan Geisler, Ph.D., associate professor and department chair of anatomy at New York Institute of Technology College of … Read more

Locally sourced: Pelicans prefer native fish to sportfish at Utah’s strawberry reservoir

Locally sourced: Pelicans prefer native fish to sportfish at Utah’s strawberry reservoir – NovLink Home Mash P Locally sourced: Pelicans prefer native fish to sportfish at Utah’s strawberry reservoir We would love to thank the author of this post for this incredible web content Locally sourced: Pelicans prefer native fish to sportfish at Utah’s strawberry … Read more

From ‘boops’ to ‘unks,’ how scientists are using fish sounds to conserve underwater ecosystems

From ‘boops’ to ‘unks,’ how scientists are using fish sounds to conserve underwater ecosystems – NovLink Home Mash P From ‘boops’ to ‘unks,’ how scientists are using fish sounds to conserve underwater ecosystems We want to say thanks to the author of this short article for this amazing content From ‘boops’ to ‘unks,’ how scientists … Read more

Researchers reconstruct ancient fish lizard

Journal Reference: Mats E. Eriksson, Randolph De La Garza, Esben Horn, Johan Lindgren. A review of ichthyosaur (Reptilia, Ichthyopterygia) soft tissues with implications for life reconstructions. Earth-Science Reviews, 2022; 226: 103965 DOI: 10.1016/j.earscirev.2022.103965 Fish lizards, or ichthyosaurs, were a very successful group of animals that, much like today’s whales, migrated from land to the oceans … Read more

Fish generate movable pairs of vortices to propel them forward like body waves

Journal Reference: Chun-yu Guo, Yun-fei Kuai, Yang Han, Peng Xu, Yi-wei Fan, Chang-dong Yu. Hydrodynamic analysis of propulsion process of zebrafish. Physics of Fluids, 2022; 34 (2): 021910 DOI: 10.1063/5.0076561 Although the relation between the movement of the tail, or caudal fin, and the transient shapes and motion of the water environment is well known … Read more

‘Freeze or flee’ reactions run in fish families

Journal Reference: Thomas M Houslay, Ryan L Earley, Stephen J White, Wiebke Lammers, Andrew J Grimmer, Laura M Travers, Elizabeth L Johnson, Andrew J Young, Alastair Wilson. Genetic integration of behavioural and endocrine components of the stress response. eLife, 2022; 11 DOI: 10.7554/eLife.67126 University of Exeter scientists examined how Trinidadian guppies reacted to stress — … Read more

A fish story with a human tell

Journal Reference: Xiaozhi Lin, Wataru Takagi, Susumu Hyodo, Shigeho Ijiri, Yoshinao Katsu, Michael E. Baker. Regulation by Progestins, Corticosteroids, and RU486 of Transcriptional Activation of Elephant Shark and Human Progesterone Receptors: An Evolutionary Perspective. ACS Pharmacology & Translational Science, 2021; 5 (2): 52 DOI: 10.1021/acsptsci.1c00191 The findings published in the February 11, 2022 online issue … Read more

More evidence suggests self-awareness is also for some fish

Journal References: Masanori Kohda, Shumpei Sogawa, Alex L. Jordan, Naoki Kubo, Satoshi Awata, Shun Satoh, Taiga Kobayashi, Akane Fujita, Redouan Bshary. Further evidence for the capacity of mirror self-recognition in cleaner fish and the significance of ecologically relevant marks. PLOS Biology, 2022; 20 (2): e3001529 DOI: 10.1371/journal.pbio.3001529 Masanori Kohda, Takashi Hotta, Tomohiro Takeyama, Satoshi Awata, … Read more

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