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Lutek K, Donatelli CM, Standen EM. Patterns and processes in amphibious fish: biomechanics and neural control of fish terrestrial locomotion. J Exp Biol 2022; 225:275243. [PMID: 35502693 DOI: 10.1242/jeb.242395] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Amphibiousness in fishes spans the actinopterygian tree from the earliest to the most recently derived species. The land environment requires locomotor force production different from that in water, and a diversity of locomotor modes have evolved across the actinopterygian tree. To compare locomotor mode between species, we mapped biomechanical traits on an established amphibious fish phylogeny. Although the diversity of fish that can move over land is large, we noted several patterns, including the rarity of morphological and locomotor specialization, correlations between body shape and locomotor mode, and an overall tendency for amphibious fish to be small. We suggest two idealized empirical metrics to consider when gauging terrestrial 'success' in fishes and discuss patterns of terrestriality in fishes considering biomechanical scaling, physical consequences of shape, and tissue plasticity. Finally, we suggest four ways in which neural control could change in response to a novel environment, highlighting the importance and challenges of deciphering when these control mechanisms are used. We aim to provide an overview of the diversity of successful amphibious locomotion strategies and suggest several frameworks that can guide the study of amphibious fish and their locomotion.
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Affiliation(s)
- K Lutek
- Department of Biology, University of Ottawa, Ottawa, Canada, K1N 6N5
| | - C M Donatelli
- Department of Biology, University of Ottawa, Ottawa, Canada, K1N 6N5
| | - E M Standen
- Department of Biology, University of Ottawa, Ottawa, Canada, K1N 6N5
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Schwaner MJ, Hsieh ST, Braasch I, Bradley S, Campos CB, Collins CE, Donatelli CM, Fish FE, Fitch OE, Flammang BE, Jackson BE, Jusufi A, Mekdara PJ, Patel A, Swalla BJ, Vickaryous M, McGowan CP. Future Tail Tales: A Forward-Looking, Integrative Perspective on Tail Research. Integr Comp Biol 2021; 61:521-537. [PMID: 33999184 PMCID: PMC8680820 DOI: 10.1093/icb/icab082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Synopsis Tails are a defining characteristic of chordates and show enormous diversity in function and shape. Although chordate tails share a common evolutionary and genetic-developmental origin, tails are extremely versatile in morphology and function. For example, tails can be short or long, thin or thick, and feathered or spiked, and they can be used for propulsion, communication, or balancing, and they mediate in predator-prey outcomes. Depending on the species of animal the tail is attached to, it can have extraordinarily multi-functional purposes. Despite its morphological diversity and broad functional roles, tails have not received similar scientific attention as, for example, the paired appendages such as legs or fins. This forward-looking review article is a first step toward interdisciplinary scientific synthesis in tail research. We discuss the importance of tail research in relation to five topics: (1) evolution and development, (2) regeneration, (3) functional morphology, (4) sensorimotor control, and (5) computational and physical models. Within each of these areas, we highlight areas of research and combinations of long-standing and new experimental approaches to move the field of tail research forward. To best advance a holistic understanding of tail evolution and function, it is imperative to embrace an interdisciplinary approach, re-integrating traditionally siloed fields around discussions on tail-related research.
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Affiliation(s)
- M J Schwaner
- Department of Ecology and Evolutionary Biology, University of California Irvine, Irvine, CA 92697, USA
| | - S T Hsieh
- Department of Biology, Temple University, Philadelphia, PA 19122, USA
| | - I Braasch
- Department of Integrative Biology and Program in Ecology, Evolution, and Behavior (EEB), Michigan State University, East Lansing, MI 48824, USA
| | - S Bradley
- Department of Biomedical Science, University of Guelph, Guelph N1G 2W1, Canada
| | - C B Campos
- Department of Biological Sciences, Sacramento State University, Sacramento, CA 95819, USA
| | - C E Collins
- Department of Biological Sciences, Sacramento State University, Sacramento, CA 95819, USA
| | - C M Donatelli
- Department of Biology, University of Ottawa, Ontario K1N 6N5, Canada
| | - F E Fish
- Department of Biology, West Chester University, West Chester, PA 19383, USA
| | - O E Fitch
- Department of Integrative Biology and Program in Ecology, Evolution, and Behavior (EEB), Michigan State University, East Lansing, MI 48824, USA
| | - B E Flammang
- Department of Biological Sciences, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - B E Jackson
- Department of Biological and Environmental Sciences, Longwood University, Farmville, VA 23909, USA
| | - A Jusufi
- Max Planck Institute for Intelligent Systems, Stuttgart 70569, Germany
| | - P J Mekdara
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - A Patel
- Department of Electrical Engineering, University of Cape Town, Cape Town 7701, South Africa
| | - B J Swalla
- Department of Biology, University of Washington, Seattle, WA 98195, USA
| | - M Vickaryous
- Department of Biomedical Science, University of Guelph, Guelph N1G 2W1, Canada
| | - C P McGowan
- Department of Integrative Anatomical Sciences, University of Southern California, Los Angeles, CA 90033, USA
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Kolmann MA, Peixoto T, Pfeiffenberger JA, Summers AP, Donatelli CM. Swimming and defence: competing needs across ontogeny in armoured fishes (Agonidae). J R Soc Interface 2020; 17:20200301. [PMID: 32781934 PMCID: PMC7482565 DOI: 10.1098/rsif.2020.0301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022] Open
Abstract
Biological armours are potent model systems for understanding the complex series of competing demands on protective exoskeletons; after all, armoured organisms are the product of millions of years of refined engineering under the harshest conditions. Fishes are no strangers to armour, with various types of armour plating common to the 400-500 Myr of evolution in both jawed and jawless fishes. Here, we focus on the poachers (Agonidae), a family of armoured fishes native to temperate waters of the Pacific rim. We examined armour morphology, body stiffness and swimming performance in the northern spearnose poacher (Agonopsis vulsa) over ontogeny. As juveniles, these fishes make frequent nocturnal forays into the water column in search of food, while heavily armoured adults are bound to the benthos. Most armour dimensions and density increase with body length, as does body stiffness. Juvenile poachers have enlarged spines on their armour whereas adults invest more mineral in armour plate bases. Adults are stiffer and accelerate faster than juveniles with an anguilliform swimming mode. Subadults more closely approximate adults more than smaller juveniles, with regards to both swimming and armour mechanics. Poacher armour serves multiple functions over ontogeny, from facilitating locomotion, slowing sinking and providing defence.
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Affiliation(s)
- M. A. Kolmann
- Friday Harbor Laboratories, University of Washington College of the Environment, Friday Harbor, WA, USA
- Biological Sciences, The George Washington University, Washington, DC, USA
| | - T. Peixoto
- Friday Harbor Laboratories, University of Washington College of the Environment, Friday Harbor, WA, USA
- Northeastern University, Boston, MA, USA
| | - J. A. Pfeiffenberger
- Department of Biology, Tufts University, Medford, MA, USA
- Department of Biology, Temple University, Philadelphia, PA, USA
| | - A. P. Summers
- Friday Harbor Laboratories, University of Washington College of the Environment, Friday Harbor, WA, USA
| | - C. M. Donatelli
- Department of Biology, Tufts University, Medford, MA, USA
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
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Buser TJ, Boyd OF, Cortés Á, Donatelli CM, Kolmann MA, Luparell JL, Pfeiffenberger JA, Sidlauskas BL, Summers AP. The Natural Historian's Guide to the CT Galaxy: Step-by-Step Instructions for Preparing and Analyzing Computed Tomographic (CT) Data Using Cross-Platform, Open Access Software. Integr Org Biol 2020; 2:obaa009. [PMID: 33791553 PMCID: PMC7671151 DOI: 10.1093/iob/obaa009] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The decreasing cost of acquiring computed tomographic (CT) data has fueled a global effort to digitize the anatomy of museum specimens. This effort has produced a wealth of open access digital three-dimensional (3D) models of anatomy available to anyone with access to the Internet. The potential applications of these data are broad, ranging from 3D printing for purely educational purposes to the development of highly advanced biomechanical models of anatomical structures. However, while virtually anyone can access these digital data, relatively few have the training to easily derive a desirable product (e.g., a 3D visualization of an anatomical structure) from them. Here, we present a workflow based on free, open source, cross-platform software for processing CT data. We provide step-by-step instructions that start with acquiring CT data from a new reconstruction or an open access repository, and progress through visualizing, measuring, landmarking, and constructing digital 3D models of anatomical structures. We also include instructions for digital dissection, data reduction, and exporting data for use in downstream applications such as 3D printing. Finally, we provide Supplementary Videos and workflows that demonstrate how the workflow facilitates five specific applications: measuring functional traits associated with feeding, digitally isolating anatomical structures, isolating regions of interest using semi-automated segmentation, collecting data with simple visual tools, and reducing file size and converting file type of a 3D model.
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Affiliation(s)
- T J Buser
- Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR, USA
| | - O F Boyd
- Department of Integrative Biology, Oregon State University, Corvallis, OR, USA
| | - Á Cortés
- Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR, USA
| | - C M Donatelli
- Department of Biology, University of Ottawa, Ottawa, ON, USA
| | - M A Kolmann
- Department of Biological Sciences, George Washington University, Washington, DC, USA
| | - J L Luparell
- Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR, USA
| | | | - B L Sidlauskas
- Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR, USA
| | - A P Summers
- Department of Biology and SAFS, University of Washington, Friday Harbor Laboratories, Friday Harbor, Washington, DC, USA
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