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Tidswell BK, Veliko-Shapko A, Tytell ED. The role of vision and lateral line sensing for schooling in giant danios (Devario aequipinnatus). J Exp Biol 2024; 227:jeb246887. [PMID: 38680124 DOI: 10.1242/jeb.246887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 04/16/2024] [Indexed: 05/01/2024]
Abstract
Schooling is a collective behavior that relies on a fish's ability to sense and respond to the other fish around it. Previous work has identified 'rules' of schooling - attraction to neighbors that are far away, repulsion from neighbors that are too close and alignment with neighbors at the correct distance - but we do not understand well how these rules emerge from the sensory physiology and behavior of individual fish. In particular, fish use both vision and their lateral lines to sense each other, but it is unclear how much they rely on information from these sensory modalities to coordinate schooling behavior. To address this question, we studied how the schooling of giant danios (Devario aequipinnatus) changes when they are unable to see or use their lateral lines. We found that giant danios were able to school without their lateral lines but did not school in darkness. Surprisingly, giant danios in darkness had the same attraction properties as fish in light when they were in close proximity, indicating that they could sense nearby fish with their lateral lines. However, they were not attracted to more distant fish, suggesting that long-distance attraction through vision is important for maintaining a cohesive school. These results help us expand our understanding of the roles that vision and the lateral line play in the schooling of some fish species.
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Affiliation(s)
- Ben K Tidswell
- Department of Biology, Tufts University, Medford, MA 02155, USA
| | | | - Eric D Tytell
- Department of Biology, Tufts University, Medford, MA 02155, USA
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Mizoguchi K, Sato M, Saito R, Koshikuni M, Sakakibara M, Manabe R, Harada Y, Uchikawa T, Ansai S, Kamei Y, Naruse K, Fukamachi S. Behavioral photosensitivity of multi-color-blind medaka: enhanced response under ultraviolet light in the absence of short-wavelength-sensitive opsins. BMC Neurosci 2023; 24:67. [PMID: 38097940 PMCID: PMC10722765 DOI: 10.1186/s12868-023-00835-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND The behavioral photosensitivity of animals could be quantified via the optomotor response (OMR), for example, and the luminous efficiency function (the range of visible light) should largely rely on the repertoire and expression of light-absorbing proteins in the retina, i.e., the opsins. In fact, the OMR under red light was suppressed in medaka lacking the red (long-wavelength sensitive [LWS]) opsin. RESULTS We investigated the ultraviolet (UV)- or blue-light sensitivity of medaka lacking the violet (short-wavelength sensitive 1 [SWS1]) and blue (SWS2) opsins. The sws1/sws2 double or sws1/sws2/lws triple mutants were as viable as the wild type. The remaining green (rhodopsin 2 [RH2]) or red opsins were not upregulated. Interestingly, the OMR of the double or triple mutants was equivalent or even increased under UV or blue light (λ = 350, 365, or 450 nm), which demonstrated that the rotating stripes (i.e., changes in luminance) could fully be recognized under UV light using RH2 alone. The OMR test using dichromatic stripes projected onto an RGB display consistently showed that the presence or absence of SWS1 and SWS2 did not affect the equiluminant conditions. CONCLUSIONS RH2 and LWS, but not SWS1 and SWS2, should predominantly contribute to the postreceptoral processes leading to the OMR or, possibly, to luminance detection in general, as the medium-wavelength-sensitive and LWS cones, but not the SWS cones, are responsible for luminance detection in humans.
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Affiliation(s)
- Kiyono Mizoguchi
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Mayu Sato
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Rina Saito
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Mayu Koshikuni
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Mana Sakakibara
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Ran Manabe
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Yumi Harada
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Tamaki Uchikawa
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan
| | - Satoshi Ansai
- Laboratory of Bioresources, National Institute for Basic Biology, Aichi, 444-8585, Japan
- Graduate School of Life Sciences, Tohoku University, Miyagi, 980-8577, Japan
- Laboratory of Genome Editing Breeding, Graduate School of Agriculture, Kyoto University, Kyoto, 606-8507, Japan
| | - Yasuhiro Kamei
- Spectrography and Bioimaging Facility, National Institute for Basic Biology, Aichi, 444-8585, Japan
- Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Aichi, 444-8585, Japan
| | - Kiyoshi Naruse
- Laboratory of Bioresources, National Institute for Basic Biology, Aichi, 444-8585, Japan
- Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Aichi, 444-8585, Japan
| | - Shoji Fukamachi
- Laboratory of Evolutionary Genetics, Department of Chemical and Biological Sciences, Japan Women's University, Mejirodai 2-8-1, Bunkyo-Ku, Tokyo, 112-8681, Japan.
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Parsons D, Taylor R, Hughes R, Middleton C, Gublin Y, Levell D. Predators and habitat association of post-settlement snapper (Chrysophrys auratus). JOURNAL OF FISH BIOLOGY 2022; 101:1509-1521. [PMID: 36131511 PMCID: PMC10092373 DOI: 10.1111/jfb.15222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 09/15/2022] [Indexed: 06/15/2023]
Abstract
Structured habitats play an important nursery role during the crucial early juvenile or post-settlement stages of many fish species. Predominantly, the utility of structured habitats to juvenile fish is thought to be associated with the provisioning of food or as a refuge from predation. Although snapper (Chrysophrys auratus) in New Zealand also have a strong affinity for structured habitats during their post-settlement phase, their predators are unknown as is the role of predation in determining habitat association. Here the authors investigated potential predators of post-settlement snapper by remotely observing interactions of restrained post-settlement snapper with potential predators and investigating the diet of potential predators. They also conducted tank experiments with a potential predator, both with and without the presence of structure. Restrained snapper were infrequently approached by predators, but two new nocturnal predators were identified. No snapper were observed in the diet of potential predators, although two piscivores were identified as potential candidates. No predation occurred during tank experiments, but there was a non-significant indication that under threat of predation post-settlement snapper may use habitat when it is present and aggregate together when it is not. The findings suggest that the pulsed nature of predation may have made it difficult to observe given the methods employed and that the threat of predation may be sufficient to drive the habitat selection of post-settlement snapper. Investigating the significance of predation via methods that do not require direct observations may therefore be more appropriate given this context.
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Affiliation(s)
- Darren Parsons
- National Institute of Water and Atmospheric ResearchAucklandNew Zealand
- Institute of Marine Science, University of AucklandAucklandNew Zealand
| | - Rikki Taylor
- National Institute of Water and Atmospheric ResearchAucklandNew Zealand
| | - Richard Hughes
- Northland Marine Research CentreNational Institute of Water and Atmospheric ResearchRuakakaNew Zealand
| | - Crispin Middleton
- Northland Marine Research CentreNational Institute of Water and Atmospheric ResearchRuakakaNew Zealand
| | - Yann Gublin
- Northland Marine Research CentreNational Institute of Water and Atmospheric ResearchRuakakaNew Zealand
| | - Demi Levell
- Northland Marine Research CentreNational Institute of Water and Atmospheric ResearchRuakakaNew Zealand
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Matsuo M, Matsuyama M, Kobayashi T, Kanda S, Ansai S, Kawakami T, Hosokawa E, Daido Y, Kusakabe TG, Naruse K, Fukamachi S. Retinal Cone Mosaic in sws1-Mutant Medaka ( Oryzias latipes), A Teleost. Invest Ophthalmol Vis Sci 2022; 63:21. [DOI: 10.1167/iovs.63.11.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Megumi Matsuo
- Department of Chemical and Biological Sciences, Japan Women's University, Bunkyo-ku, Tokyo, Japan
| | - Makoto Matsuyama
- Division of Molecular Genetics, Shigei Medical Research Institute, 2117 Yamada, Minami-ku, Okayama, Japan
| | - Tomoe Kobayashi
- Division of Molecular Genetics, Shigei Medical Research Institute, 2117 Yamada, Minami-ku, Okayama, Japan
| | - Shinji Kanda
- Laboratory of Physiology, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Chiba, Japan
| | - Satoshi Ansai
- Laboratory of Bioresources/NIBB Center of the Interuniversity Bio-Backup Project, National Institute for Basic Biology, Okazaki, Aichi, Japan
| | - Taichi Kawakami
- Institute for Integrative Neurobiology and Department of Biology, Graduate School of Natural Science, Konan University, Kobe, Hyogo, Japan
| | - Erika Hosokawa
- Institute for Integrative Neurobiology and Department of Biology, Graduate School of Natural Science, Konan University, Kobe, Hyogo, Japan
| | - Yutaka Daido
- Institute for Integrative Neurobiology and Department of Biology, Graduate School of Natural Science, Konan University, Kobe, Hyogo, Japan
| | - Takehiro G. Kusakabe
- Institute for Integrative Neurobiology and Department of Biology, Graduate School of Natural Science, Konan University, Kobe, Hyogo, Japan
| | - Kiyoshi Naruse
- Laboratory of Bioresources/NIBB Center of the Interuniversity Bio-Backup Project, National Institute for Basic Biology, Okazaki, Aichi, Japan
| | - Shoji Fukamachi
- Department of Chemical and Biological Sciences, Japan Women's University, Bunkyo-ku, Tokyo, Japan
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Wlodkowic D, Bownik A, Leitner C, Stengel D, Braunbeck T. Beyond the behavioural phenotype: Uncovering mechanistic foundations in aquatic eco-neurotoxicology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 829:154584. [PMID: 35306067 DOI: 10.1016/j.scitotenv.2022.154584] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/09/2022] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
During the last decade, there has been an increase in awareness of how anthropogenic pollution can alter behavioural traits of diverse aquatic organisms. Apart from understanding profound ecological implications, alterations in neuro-behavioural indices have emerged as sensitive and physiologically integrative endpoints in chemical risk assessment. Accordingly, behavioural ecotoxicology and broader eco-neurotoxicology are becoming increasingly popular fields of research that span a plethora of fundamental laboratory experimentations as well as applied field-based studies. Despite mounting interest in aquatic behavioural ecotoxicology studies, there is, however, a considerable paucity in deciphering the mechanistic foundations underlying behavioural alterations upon exposure to pollutants. The behavioural phenotype is indeed the highest-level integrative neurobiological phenomenon, but at its core lie myriads of intertwined biochemical, cellular, and physiological processes. Therefore, the mechanisms that underlie changes in behavioural phenotypes can stem among others from dysregulation of neurotransmitter pathways, electrical signalling, and cell death of discrete cell populations in the central and peripheral nervous systems. They can, however, also be a result of toxicity to sensory organs and even metabolic dysfunctions. In this critical review, we outline why behavioural phenotyping should be the starting point that leads to actual discovery of fundamental mechanisms underlying actions of neurotoxic and neuromodulating contaminants. We highlight potential applications of the currently existing and emerging neurobiology and neurophysiology analytical strategies that should be embraced and more broadly adopted in behavioural ecotoxicology. Such strategies can provide new mechanistic discoveries instead of only observing the end sum phenotypic effects.
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Affiliation(s)
- Donald Wlodkowic
- The Neurotox Laboratory, School of Science, RMIT University, Melbourne, Australia.
| | - Adam Bownik
- Department of Hydrobiology and Protection of Ecosystems, Faculty of Environmental Biology, University of Life Sciences, Lublin, Poland
| | - Carola Leitner
- Aquatic Ecology and Toxicology, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, D-69120 Heidelberg, Germany
| | - Daniel Stengel
- Aquatic Ecology and Toxicology, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, D-69120 Heidelberg, Germany
| | - Thomas Braunbeck
- Aquatic Ecology and Toxicology, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, D-69120 Heidelberg, Germany
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