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Keywords: fish
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Journal Articles
J Exp Biol (2022) 225 (8): jeb243655.
Published: 22 April 2022
...Kota Ishikawa; Heng Wu; Satoshi Mitarai; Amatzia Genin ABSTRACT Feeding by zooplanktivorous fish depends on their foraging movements and the flux of prey to which they are exposed. While prey flux is a linear function of zooplankton density and flow speed, those two factors are expected...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (8): jeb243407.
Published: 21 April 2022
... many fishes, may have resulted from confounding influences of temperature-dependent variation in activity on metabolic rate measurements. We hypothesize that, as demonstrated recently in the winter-dormant cunner ( Tautogolabrus adspersus ), inactivity and the passive physicochemical (Arrhenius) effect...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (7): jeb242795.
Published: 4 April 2022
...Sandy M. Kawano; Richard W. Blob ABSTRACT Amphibious fishes and salamanders are valuable functional analogs for vertebrates that spanned the water–land transition. However, investigations of walking mechanics have focused on terrestrial salamanders and, thus, may better reflect the capabilities...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (4): jeb243152.
Published: 23 February 2022
...A. Kurt Gamperl; Alexander L. Thomas; Douglas A. Syme ABSTRACT Fish increase heart rate ( f H ), not stroke volume ( V S ), when acutely warmed as a way to increase cardiac output ( Q ). To assess whether aspects of myocardial function may have some basis in determining temperature-dependent...
Journal Articles
J Exp Biol (2022) 225 (1): jeb242567.
Published: 6 January 2022
... the cellular basis governing catch-up growth. Experiments consisted of two groups of fish, a control group continuously fed ad libitum , and a group fasted for 2 weeks and then fed for another 2 weeks. We examined how the formation of new muscle fibers and their increase in size were related to muscle...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (24): jeb238790.
Published: 9 December 2021
...Theanuga Chandrapalan; Raymond W. M. Kwong ABSTRACT Trace metals such as iron, copper, zinc and manganese play essential roles in various biological processes in fish, including development, energy metabolism and immune response. At embryonic stages, fish obtain essential metals primarily from...
Journal Articles
J Exp Biol (2021) 224 (21): jeb242846.
Published: 2 November 2021
... their diet. However, diet is often overlooked as a factor that can alter acclimation responses. Using a temperate omnivorous fish, opaleye ( Girella nigricans ), as a model system, we tested the hypotheses that (1) diet can impact the magnitude of thermal acclimation responses and (2) traits vary...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (20): jeb243068.
Published: 25 October 2021
... times as the performance of the fish improved over threshold determinations (see Table S1 ). The threshold was considered to have been reached once the threshold values did not improve over three consecutive threshold determinations. The 75% threshold was determined by linear interpolation...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (18): jeb242522.
Published: 14 September 2021
... perch Perca fluviatilis . J. Fish Biol. 97 , 1644 - 1650 . 10.1111/jfb.14519 Bates , D. , Mächler , M. , Bolker , B. and Walker , S. ( 2015 ). Fitting linear mixed-effects models using lme4 . J. Stat. Softw. 67 , 1 - 48 . 10.18637/jss.v067.i01 Biswas...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (17): jeb236430.
Published: 3 September 2021
... of cranial muscles as well as the anterior third of the fish's swimming muscles. Seahorses, which have reduced swimming muscles, evolved a unique mechanism for elastic energy storage that powers their suction flows. This mechanism allows seahorses to achieve head rotation speeds that are 50 times faster than...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (14): jeb237941.
Published: 28 July 2021
... acidification on the behaviour of fish vary from very large to none at all, and most of the maladaptive behaviours observed have been attributed to changes in acid–base regulation, leading to changes in ion distribution over neural membranes, and consequently affecting the functioning of gamma-aminobutyric acid...
Journal Articles
J Exp Biol (2021) 224 (13): jeb242360.
Published: 2 July 2021
...Cristina Velasco; Marta Conde-Sieira; Sara Comesaña; Mauro Chivite; Jesús M. Míguez; José L. Soengas ABSTRACT We evaluated the role of the G protein-coupled receptors GPR84 and GPR119 in food intake regulation in fish using rainbow trout ( Oncorhynchus mykiss ) as a model. In the first experiment...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (11): jeb234849.
Published: 8 June 2021
.... Although motorboat traffic has increased in the past few decades, its impact on the communication of fish is still poorly known. The highly vocal Lusitanian toadfish ( Halobatrachus didactylus ) is an excellent model to test the impact of this anthropogenic stressor as it relies on acoustic communication...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (9): jeb242382.
Published: 30 April 2021
... and Schulte, 2020 ; Qian et al., 2004 ). Available data on liver mitochondria reviewed recently by Chung and Schulte (2020) suggest that decreases in mitochondrial respiration are unlikely to determine organismal upper thermal limits in fish, whereas studies on the effect of temperature on mitochondria...
Journal Articles
J Exp Biol (2020) 223 (21): jeb227280.
Published: 3 November 2020
... textured environments and regularly interact with textured surfaces. Here we explore texture sensation in a different type of vertebrate limb by investigating touch and potential texture encoding mechanisms in the pectoral fins of fishes, the forelimb homologs. We investigated the pectoral fins...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (18): jeb227140.
Published: 28 September 2020
...Jarrod C. Petersen; Jason B. Ramsay ABSTRACT Fish fin rays (lepidotrichia) are typically composed of paired and segmented flexible structures (hemitrichia) that help support and change the shape of the fins to affect water flow. Yet, marine ray-finned fish that are members of the family Priontinae...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (17): jeb221721.
Published: 6 September 2020
...Sara Comesaña; Marta Conde-Sieira; Cristina Velasco; José L. Soengas; Sofia Morais ABSTRACT To assess the putative role of taste and pre-absorptive sensing of amino acids in food intake control in fish, we carried out an oral administration with l -leucine, l -valine, l -proline or l -glutamic acid...
Journal Articles
J Exp Biol (2020) 223 (17): jeb227330.
Published: 3 September 2020
...Cristina Velasco; Marta Conde-Sieira; Sara Comesaña; Mauro Chivite; Adrián Díaz-Rúa; Jesús M. Míguez; José L. Soengas ABSTRACT We hypothesized that the free fatty acid receptors FFA1 and FFA4 might be involved in the anorectic response observed in fish after rising levels of long-chain fatty acids...
Journal Articles
J Exp Biol (2020) 223 (16): jeb223230.
Published: 24 August 2020
...Robin Thandiackal; George V. Lauder ABSTRACT Whereas many fishes swim steadily, zebrafish regularly exhibit unsteady burst-and-coast swimming, which is characterized by repeated sequences of turns followed by gliding periods. Such a behavior offers the opportunity to investigate the hypothesis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (15): jeb221069.
Published: 11 August 2020
...Christian Kropf; Karl Fent; Stephan Fischer; Ayako Casanova; Helmut Segner ABSTRACT Fish gills are a structurally and functionally complex organ at the interface between the organism and the aquatic environment. Gill functions include the transfer of organic molecules, both natural ones...
Includes: Supplementary data