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Aizpurua Ostaizka O University of The Basque Country, - - 2014
Formerly thought to be a strictly insectivorous trawling bat, recent studies have shown that Myotis capaccinii also preys on fish. To determine if differences exist in bat flight behaviour, prey handling, and echolocation characteristics when catching fish and insects of different sizes, we conducted a field experiment focused on the ...
Braun Christopher B CB Department of Psychology, Hunter College, CUNY, New York, NY, - - 2014
The octavolateralis systems of fishes include the vestibular, auditory, lateral line, and electrosensory systems. They are united by common developmental and neuro-computational features, including hair cell sensors and computations based on cross-neuron analyses of differential hair cell stimulation patterns. These systems also all use both spectral and temporal filters to ...
Dooling Robert J RJ Department of Psychology, University of Maryland, College Park, - - 2014
In this paper we describe the masking of pure tones in humans and birds by man-made noises and show that similar ideas can be applied when considering the potential effects of noise on fishes, as well as other aquatic vertebrates. Results from many studies on humans and birds, both in ...
Collin Shaun P SP School of Animal Biology and the Oceans Institute, The University of Western Australia, Crawley, W. A., - - 2014
Vision and photoentrainment in fishes are vital for feeding, avoiding predation, spatial orientation, navigation, social communication and the synchronization of many homeostatic functions such as activity patterns and sleep. The camera-like (image-forming) eyes of fishes are optimized to provide a clear view of their preferred ecological niche, while non-visual photoreceptors ...
Shen S C - - 2014
Fourier series and an energy mapping method were used in this study to design a lens that produces a light pattern of multiple concentric circles (LPMCC) for a light-emitting diode (LED) fishing lamp. Fourier series were used to represent the light intensity distribution curve (LIDC) of the LPMCC light pattern. ...
Walz Henriette H Bernstein Center for Computational Neuroscience Munich, Ludwig-Maximilians-Universität - - 2014
Although communication signals often vary continuously on the underlying signal parameter, they are perceived as distinct categories. We here report the opposite case where an electrocommunication signal is encoded in four distinct regimes, although the behaviour described to date does not show distinct categories. In particular, we studied the encoding ...
Takeuchi Yuki Y Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903-0213, Japan. Electronic address: - - 2014
Ocular melatonin production exhibits a daily rhythm with a decrease during photophase and an increase during scotophase (nocturnal pattern) in teleost fish due to day-night changes in the activity of the rate-limiting melatonin synthesizing enzyme arylalkylamine N-acetyltransferase (AANAT). Acute light exposure during scotophase suppresses AANAT activity and melatonin production in ...
Xiong Grace G Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, - - 2014
Studies of center of mass (COM) motion are fundamental to understanding the dynamics of animal movement, and have been carried out extensively for terrestrial and aerial locomotion. But despite a large amount of literature describing different body movement patterns in fishes, analyses of how the center of mass moves during ...
Zahid Malik - - 2014
The study focused on the characteristics of circadian locomotor activity in the spiny eel, M. pancalus, kept under different photoperiodic conditions. Two experiments were conducted. Experiment 1 tested the light intensity dependent effect on circadian rhythmicity of the locomotor activity in spiny eel. Three groups of fish were entrained to ...
Xu Guang-Hui GH Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, People's Republic of China - - 2014
The Halecomorphi are a major subdivision of the ray-finned fishes. Although living halecomorphs are represented solely by the freshwater bowfin, Amia calva, this clade has a rich fossil history, and the resolution of interrelationships among extinct members is central to the problem of understanding the origin of the Teleostei, the ...
Hawkins Anthony D - - 2014
The behavior of wild, pelagic fish in response to sound playback was observed with a sonar/echo sounder. Schools of sprat Sprattus sprattus and mackerel Scomber scombrus were examined at a quiet coastal location. The fish were exposed to a short sequence of repeated impulsive sounds, simulating the strikes from a ...
McIver Eileen L EL Cornell University, - - 2014
Toadfishes are among the best-known groups of sound producing (vocal) fishes and include species commonly known as toadfish and midshipman. Although midshipman have been the subject of extensive investigation of the neural mechanisms of vocalization, this is the first comprehensive, quantitative analysis of the spectro-temporal characters of their acoustic signals ...
Coffin Allison B AB Washington State University Vancouver, - - 2014
We investigated the roles of the swim bladder and the lateral line system in sound localization behavior by the plainfin midshipman fish (Porichthys notatus). Reproductive female midshipman underwent either surgical deflation of the swim bladder or cryoablation of the lateral line and were then tested in a monopolar sound source ...
Shelton Ryan M RM UNC Chapel Hill, United - - 2014
An undulatory pattern of body bending in which waves pass along the body from head to tail is a major means of creating thrust in many fish species during steady locomotion. Analyses of live fish swimming have provided the foundation of our current understanding of undulatory locomotion, but our inability ...
Venmathi Maran B A BA Marine Ecosystem Research Division, Korea Institute of Ocean Science & Technology, P. O. Box 29, Ansan, Seoul, 425-600, Korea, - - 2014
Three parasitic copepods (Siphonostomatoida) belonging to three different genera were recovered from marine fishes of Iraq, and are listed here as new records. The sea lice Caligus epinepheli Yamaguti, 1936 (Caligidae) was collected from the Japanese threadfin bream, Nemipterus japonicus (Bloch). It had been frequently reported from teleost fishes around ...
Pace C M CM Department of Biological Sciences, Northern Arizona University, Box 5640, Flagstaff, AZ 86011, - - 2014
While emergent behaviours have long been reported for air-breathing osteichthyians, only recently have researchers undertaken quantitative analyses of terrestrial locomotion. This review summarizes studies of sustained periodic terrestrial movements by air-breathing fishes and quantifies the contributions of the paired appendages and the axial body to forward propulsion. Elongate fishes with ...
Quagio-Grassiotto Irani I Department of Morphology, Institute of Bioscience, Sao Paulo State University - UNESP, Botucatu, São Paulo, Brazil. Electronic address: - - 2014
With the intent to provide additional information on the reproductive biology of the ostariophysian fish, the oocyte development in Serrasalmus maculatus is here described under light and electron microscopy by using some cytochemical methods. Our results are discussed considering the cellular processes that drive the oocyte development and comparing to ...
Tobler M M Department of Zoology, Oklahoma State University, 501 Life Sciences West, Stillwater, OK 74078, - - 2014
This study investigated a rapidly vanishing group of fishes in the genus Characodon (including Characodon lateralis and Characodon audax) from the upper Rio Mezquital drainage in Mexico. Using specimens from museum collections, morphological variation was assessed to quantify body shape differentiation among historic (i.e. extirpated and extant) collection sites. In ...
Landgren Eva E Lund Vision Group, Department of Biology, University of Lund, , Sölvegatan 35, 22362 Lund, - - 2014
Escolar (Lepidocybium flavobrunneum, family Gempylidae) are large and darkly coloured deep-sea predatory fish found in the cold depths (more than 200 m) during the day and in warm surface waters at night. They have large eyes and an overall low density of retinal ganglion cells that endow them with a ...
Forlim Caroline G CG Departamento de Física Geral, Universidade de São Paulo, São Paulo, SP, Brazil ; Laboratório de Neurodinâmica/Neurobiofísica, Universidade de São Paulo, São Carlos, SP, - - 2014
Weakly electric fish are unique model systems in neuroethology, that allow experimentalists to non-invasively, access, central nervous system generated spatio-temporal electric patterns of pulses with roles in at least 2 complex and incompletely understood abilities: electrocommunication and electrolocation. Pulse-type electric fish alter their inter pulse intervals (IPIs) according to different ...
Wucherer Matthias F - - 2014
Animal colouration is a trade-off between being seen by intended, intra- or inter-specific receivers while not being seen by the unintended. Many fishes solve this problem by adaptive colouration. Here, we investigate whether this also holds for fluorescent pigments. In those aquatic environments in which the ambient light is dominated ...
Ingraham John M JM Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, - - 2014
The Juvenile Salmon Acoustic Telemetry System (JSATS) has been used at many dams but has never been deployed in the near-dam tailrace environment. The use of JSATS in the tailrace is of interest to fishery managers to evaluate downstream passage behavior of juvenile salmonids and dam approach behavior of upstream ...
Yu Junzhi J 0000-0002-6347-572X State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, - - 2014
This paper focuses on the development and control issues of a self-propelled robotic fish with multiple artificial control surfaces and an embedded vision system. By virtue of the hybrid propulsion capability in the body plus the caudal fin and the complementary maneuverability in accessory fins, a synthesized propulsion scheme including ...
Chen Xiuye X Department of Molecular and Cellular Biology, Harvard University Cambridge, MA, - - 2014
Understanding how the brain transforms sensory input into complex behavior is a fundamental question in systems neuroscience. Using larval zebrafish, we study the temporal component of phototaxis, which is defined as orientation decisions based on comparisons of light intensity at successive moments in time. We developed a novel "Virtual Circle" ...
Pittman Simon J SJ U.S. National Oceanic and Atmospheric Administration, Center for Coastal Monitoring and Assessment, Silver Spring, Maryland, United States of America; Center for Marine and Environmental Studies, University of the Virgin Islands, St. Thomas, Virgin Islands, U.S. Virgin Islands; Centre for Marine and Coastal Policy Research, The Marine Institute, Marine Building, Plymouth University, Plymouth, Devon, United - - 2014
Coral reefs and associated fish populations have experienced rapid decline in the Caribbean region and marine protected areas (MPAs) have been widely implemented to address this decline. The performance of no-take MPAs (i.e., marine reserves) for protecting and rebuilding fish populations is influenced by the movement of animals within and ...
Koster Wayne M WM Arthur Rylah Institute for Environmental Research, Department of Environment and Primary Industries, Heidelberg, Victoria, Australia; School of Life and Environmental Sciences, Deakin University, Warrnambool, Victoria, - - 2014
Tributary and mainstem connections represent important links for the movement of fish and other biota throughout river networks. We investigated the timing, frequency and environmental conditions associated with movements by adult golden perch (Macquaria ambigua) between the mainstem of the mid-Murray River and a tributary, the Goulburn River, in south-eastern ...
Vinson Mark R MR U.S. Geological Survey, Great Lakes Science Center, Lake Superior Biological Station, Ashland, Wisconsin, United States of - - 2014
We analyzed angling catch records for 341,959 muskellunge (Esox masquinongy) from North America to test for a cyclic lunar influence on the catch. Using periodic regression, we showed that the number caught was strongly related to the 29-day lunar cycle, and the effect was consistent across most fisheries. More muskellunge ...
Afonso Pedro P IMAR - Institute of Marine Research at the University of the Azores, Dept. of Oceanography and Fisheries, Horta, Portugal; LARSyS - Laboratory of Robotics and Systems in Engineering and Science, Lisboa, - - 2014
It has been speculated that some deep-sea fishes can display large vertical migrations and likely doing so to explore the full suite of benthopelagic food resources, especially the pelagic organisms of the deep scattering layer (DSL). This would help explain the success of fishes residing at seamounts and the increased ...
Lowerre-Barbieri Susan S Florida Fish and Wildlife Conservation Commission, Florida Fish and Wildlife Research Institute, St. Petersburg, Florida, United States of - - 2014
Reproductive behavior affects spatial population structure and our ability to manage for sustainability in marine and diadromous fishes. In this study, we used fishery independent capture-based sampling to evaluate where Common Snook occurred in Tampa Bay and if it changed with spawning season, and passive acoustic telemetry to assess fine ...
Metzen Michael G MG McGill University, - - 2013
How the brain processes natural sensory input remains an important and poorly understood problem in neuroscience. The efficient coding hypothesis asserts that the brain's coding strategies are adapted to the statistics of natural stimuli in order to efficiently process them, thereby optimizing their perception by the organism. Here we examined ...
Defaveri J J Ecological Genetics Research Unit, Department of Biosciences, University of Helsinki, Helsinki, - - 2013
Different lines of evidence suggest that the occurrence and extent of local adaptation in high gene flow marine environments - even in mobile and long-lived vertebrates with complex life cycles - may be more widespread than earlier thought. We conducted a common garden experiment to test for local adaptation to ...
Neat F C - - 2013
It was hypothesized that energetically efficient anguilliform swimming and axial elongation in fishes is favoured in the deep sea and predicted that the degree of elongation of the body form of fishes would increase with depth. An index of fish shape was derived from the relationship between length and mass. ...
Giannetto Alessia - - 2013
Continuous light treatment during early juvenile stages in Gadus morhua is a common farming management practice but the effects of these unnatural light conditions on fish stress have received scant attention. In the present study we investigated how continuous illumination affects transcription levels of key stress-related and antimicrobial peptide genes ...
Wen Li - - 2013
Recent advances in understanding fish locomotion with robotic devices have included the use of flapping foil robots that swim at a constant swimming speed. However, the speed of even steadily swimming live fishes is not constant because the fish center of mass oscillates axially throughout a tail beat cycle. In ...
Carrola João - - 2013
Liver lesions in wild fish have been associated with xenobiotic exposure. Facing reports of pollution in the Douro River estuary (north of Portugal), we have been making field surveys using fishes and targeting histopathological biomarkers of exposure and effect. Herein, we intended to better characterize and report the rate of ...
Flammang B E - - 2013
The adult morphology of the tail varies greatly among extant fishes despite sharing both ontogenetic similarities and the functional need to propel the body through a fluid medium. Both sharks (Chondrichthyes) and ray-finned fishes (Actinopterygii) control caudal fin musculature independently of axial body myomere activity to modify the stiffness and ...
Arimi Kayode S - - 2013
Undesirable impacts of climate-change have been a common occurrence that made fish farmers in developing countries adopt some climate-change adaptation strategies. However, a little is known about determinants of climate change adaptation strategies used by these fish farmers. This study, therefore, articulates novelties on adaptation to climate change, as well ...
Francke Mike - - 2013
This article presents a summary and critical review of what is known about the 'grouped retina', a peculiar type of retinal organization in fish in which groups of photoreceptor cell inner and outer segments are arranged in spatially separated bundles. In most but not all cases, these bundles are embedded ...
Nakayasu Tomohiro - - 2013
In many social fish species, visual cues play an important role in inducing shoaling behaviour. The present study is the first to examine whether and how "biological motion" depicting a moving creature by means of only a small number of isolated points induces shoaling behaviour in fish. Medaka (Oryzias latipes) ...
Shin Hyun Suk - - 2013
The present study investigated the effects of exposure to different light spectra and intensities on ovarian maturation in yellowtail damselfish, Chrysiptera parasema over a 4-months period. We used a white fluorescent bulb and three different light-emitting diodes (LEDs: red, peak at 630nm; green, 530nm; blue, 450nm), at three different intensities ...
Nash Kirsty L - - 2013
The function of species has been recognized as critical for the maintenance of ecosystems within desired states. However, there are still considerable gaps in our knowledge of interspecific differences in the functional roles of organisms, particularly with regard to the spatial scales over which functional impact is exerted. This has ...
Bhandiwad Ashwin A AA Department of Psychology, University of Washington, Seattle, WA 98195, USA. - - 2013
Zebrafish (Danio rerio) have become a valuable model for investigating the molecular genetics and development of the inner ear in vertebrates. In this study, we employed a prepulse inhibition (PPI) paradigm to assess hearing in larval wild-type (AB) zebrafish during early development at 5-6 days post-fertilization (d.p.f.). We measured the ...
Polverino Giovanni - - 2013
The field of ethorobotics holds promise in aiding fundamental research in animal behaviour, whereby it affords fully controllable and easily reproducible experimental tools. Most of the current ethorobotics studies are focused on the behavioural response of a selected target species as it interacts with a biologically-inspired robot in controlled laboratory ...
Gao Fan F S. M. Wu: Cullen Eye Institute, Baylor College of Medicine, One Baylor Plaza, NC-205, Houston, TX 77030, USA. - - 2013
We show that various types of rods and cones in the dark-adapted salamander retina are electrically coupled with linear and symmetrical junctional conductances G(j) (40-223 pS) and a rank order: Rod(C)-large single cone, rod-large single cone, rod-small single cone, rod-accessory double cone and rod-principal double cone. By systematically comparing the ...
Leis J M - - 2013
Behavioural and ecological observations were made on young, reared Platax orbicularis in Opunohu Bay, Moorea, French Polynesia, during their transition from the pelagic, dispersive stage to the reef-orientated demersal stage. Seventy-two young P. orbicularis (17-75 mm standard length, LS ) were released in the pelagic zone and 20 (40-70 mm LS ) ...
Kashiwagi Tomomi - - 2013
Melatonin synthesis in the pineal gland and retina shows a rhythmic fashion with high levels at night and is controlled by a rate-limiting enzyme, arylalkylamine N-acetyltransferase (AANAT). A previous study revealed that moonlight suppresses the plasma melatonin levels of the goldlined spinefoot (Siganus guttatus), which exhibits a lunar cycle in ...
Fotowat Haleh - - 2013
The neural computations underlying sensory-guided behaviors can best be understood in view of the sensory stimuli to be processed under natural conditions. This input is often actively shaped by the movements of the animal and its sensory receptors. Little is known about natural sensory scene statistics taking into account the ...
Melo Karina Motta - - 2013
The frequency of spontaneous micronucleus (MN) formation in fish species needs to be determined to evaluate their usefulness for genotoxic biomonitoring. The definition of a good bioindicator takes into account the current knowledge of its metabolic traits as well as other factors including its feeding behavior and relationship to the ...
Becker Alistair - - 2013
Estuaries are increasingly under threat from a variety of human impacts. Recreational and commercial boat traffic in urban areas may represent a significant disturbance to fish populations and have particularly adverse effects in spatially restricted systems such as estuaries. We examined the effects of passing boats on the abundance of ...
Bak-Coleman Joseph - - 2013
Rheotaxis is a robust, multisensory behavior with many potential benefits for fish and other aquatic organisms. Visual (optic flow) cues appear to be sufficient for rheotaxis, but other sensory cues can clearly compensate for the loss of vision. Nevertheless, the nature of multisensory interactions and the relative contributions of different ...
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