Coloured LED light as a potential behavioural guidance tool for age 0 and 2 year walleye Sander vitreus.

abstract：:The authors show that co-injection at the one-cell stage of mRNA encoding a nuclear-targeted meganuclease I-SceI together with expression cassettes flanked by cognate restriction sites results in efficient stable transgenesis in zebrafish Danio rerio. ...

journal_title：Journal of fish biology

authors： Babaryka A,Kühn E,Köster RW

更新日期：2009-02-01 00:00:00

abstract：:The use of archival depth telemetry as a means of remotely assessing the reproductive rates of free-ranging fishes is explored. This is achieved by electronically tracking the vertical movements of individual female small spotted catsharks Scyliorhinus canicula in the natural environment, whilst simultaneously evaluat...

journal_title：Journal of fish biology

authors： Wearmouth VJ,Southall EJ,Morritt D,Sims DW

更新日期：2013-01-01 00:00:00

abstract：:This study analysed the influence of temperature and other environmental factors on the growth of brown trout Salmo trutta YOY in Europe. Air temperature accounted for the greatest proportion of the variance in maximum total length, but the inclusion of other factors significantly increased the proportion of the varia...

journal_title：Journal of fish biology

authors： Logez M,Pont D

更新日期：2011-04-01 00:00:00

abstract：:Macrhybopsis reproduction and propagule traits were studied in the laboratory using two temperature regimes and three hormone treatments to determine which methods produced the most spawns. Only sicklefin chub Macrhybopsis meeki spawned successfully although sturgeon chub Macrhybopsis gelida released unfertilized eggs...

journal_title：Journal of fish biology

authors： Albers JL,Wildhaber ML

更新日期：2017-07-01 00:00:00

abstract：:Hemiodus bimaculatus sp. nov., is described from tributaries of the Rio Juruena and Rio Teles Pires in the upper Rio Tapajós basin. The new species is diagnosed from most congeners, except Hemiodus jatuarana, by having a conspicuous circular or horizontally elongate dark blotch on the caudal peduncle (v. inconspicuous...

journal_title：Journal of fish biology

authors： Nogueira AF,Langeani F,Netto-Ferreira AL

更新日期：2019-05-01 00:00:00

abstract：:The opioid peptides are involved in the regulation of neuroendocrine functions in vertebrates. Nonetheless, the influence of an opioid peptide, dynorphin A (DYN), on reproduction in fish is understudied. The aim of this work was to study the influence of DYN on the pituitary-ovary axis in Oreochromis mossambicus. Dail...

journal_title：Journal of fish biology

authors： Vijayalaxmi,Ganesh CB

更新日期：2020-03-01 00:00:00

abstract：:This study investigated the expression of ion transporters involved in intestinal fluid absorption and presents evidence for developmental changes in abundance and tissue distribution of these transporters during smoltification and seawater (SW) acclimation of Atlantic salmon Salmo salar. Emphasis was placed on Na(+) ...

journal_title：Journal of fish biology

authors： Sundh H,Nilsen TO,Lindström J,Hasselberg-Frank L,Stefansson SO,McCormick SD,Sundell K

更新日期：2014-10-01 00:00:00

abstract：:Photo-identification and conventional tagging were used to estimate population size and structure of the whale shark Rhincodon typus near Holbox Island, Mexico. From 2005 to 2008, photographs of spot patterns behind the last gill slit and in a lateral view on the left side of each animal were used to identify individu...

journal_title：Journal of fish biology

authors： Ramírez-Macías D,Meekan M,De La Parra-Venegas R,Remolina-Suárez F,Trigo-Mendoza M,Vázquez-Juárez R

更新日期：2012-04-01 00:00:00

abstract：:This study compared the growth of two western mosquitofish Gambusia affinis populations that were previously demonstrated to have genetic adaptations that increased survival under lethal salinity exposures. The objective was to evaluate how genetic adaptations to lethal salinity stress affect population demography whe...

journal_title：Journal of fish biology

authors： Purcell KM,Klerks PL,Leberg PL

更新日期：2010-10-01 00:00:00

abstract：:Morphological (growth, Fulton's condition factor), physiological (per cent dry mass, total lipid content) and behavioural (activity levels) response patterns of carp gudgeon Hypseleotris spp. were examined in response to food deprivation during a 56 day experiment. Considerable variability in the nature and magnitude ...

journal_title：Journal of fish biology

authors： Ning NS,Hladyz S,Gawne B,Maffei S,Price A,Nielsen DL

更新日期：2012-01-01 00:00:00

abstract：:As far as is known, in this paper the first case of lacking of skin-related structures (epidermis, stratum laxum, dermal denticles and teeth) in a free-swimming elasmobranch, the blackmouth catshark, Galeus melastomus, is reported. The individual was caught by trawl in Sardinian waters (central-western Mediterranean) ...

journal_title：Journal of fish biology

authors： Mulas A,Bellodi A,Porcu C,Cau A,Coluccia E,Demurtas R,Marongiu MF,Pesci P,Follesa MC

更新日期：2020-10-01 00:00:00

abstract：:The movements of adult Atlantic salmon Salmo salar were determined as they migrated to spawning habitats in a large lacustrine catchment, Lough Neagh, in Northern Ireland. The minimum average ground speed of S. salar through the lake was 2·1 km day(-1) and the mean residence time was 11 days. Tagged S. salar tended to...

journal_title：Journal of fish biology

authors： Kennedy RJ,Allen M

更新日期：2016-09-01 00:00:00

abstract：:The reproductive biology of three commercially significant seabream species (family: Sparidae) Acanthopagrus schlegelii, Evynnis cardinalis and Pagrus major, taken from Hong Kong and adjacent northern South China Sea (SCS) waters, were investigated for their sexual patterns, spawning seasons, length at maturity and ex...

journal_title：Journal of fish biology

authors： Law CSW,Sadovy de Mitcheson Y

更新日期：2017-07-01 00:00:00

abstract：:Monitoring freshwater fish communities in a large human-impacted river is a challenging task. The structure of fish assemblages has been monitored yearly in the Marne and the Seine Rivers, across the Paris conurbation, France, using traditional electrofishing (EF) surveys since 1990, in accordance with the European Wa...

journal_title：Journal of fish biology

authors： Goutte A,Molbert N,Guérin S,Richoux R,Rocher V

更新日期：2020-08-01 00:00:00

abstract：:Ichthyoplankton sampling and ovarian characteristics were used to elucidate whether the reproductive cycles of a spawning aggregation of snapper Pagrus auratus in a nearshore marine embayment were temporally and spatially specific and related with environmental conditions. The reproductive dynamics of this aggregation...

journal_title：Journal of fish biology

authors： Wakefield CB

更新日期：2010-10-01 00:00:00

abstract：:We assessed the effects of sexual maturity on space use in Atlantic salmon (Salmo salar) parr as facultative early maturation enables us to work on individuals belonging to the same cohort. We monitored the space use of 40 1-year-old males in natura throughout a breeding season. First, mature individuals covered longe...

journal_title：Journal of fish biology

authors： Bouchard C,Lange F,Guéraud F,Rives J,Tentelier C

更新日期：2020-04-01 00:00:00

abstract：:We compared preferences shown by zebrafish Danio rerio and three-spined stickleback Gasterosteus aculeatus for shelter provided by above-tank shade and artificial plants. Zebrafish showed no preference for either shelter, whereas sticklebacks showed a preference for both shelter types over open areas and for shade ove...

journal_title：Journal of fish biology

authors： Jones NAR,Spence R,Jones FAM,Spence-Jones HC

更新日期：2019-10-01 00:00:00

abstract：:Substrate specificity in the seminal plasma and testes fluids of the common carp Cyprinus carpio was determined using gelatin, casein, albumin and haemoglobin. Proteolytic profiles of the testes and seminal plasma were compared. Different ranges of pH (5·5-9·5) and temperature (4-37° C) were used during incubations of...

journal_title：Journal of fish biology

authors： Cejko BI,Słowińska M,Judycka S,Kowalski RK

更新日期：2016-05-01 00:00:00

abstract：:For the first time, radio-tracking observations were made over 24 h cycles during the growing season to quantify the habitat use and home range of Zingel asper, a critically endangered fish species, endemic to the Rhône River with a high risk of extinction (IUCN). New advances in radio telemetry with regard to the siz...

journal_title：Journal of fish biology

authors： Cavalli L,Knight CM,Durbec M,Chappaz R,Gozlan RE

更新日期：2009-08-01 00:00:00

abstract：:Food searching behaviour in a group of individually tagged 1-5 kg Atlantic cod Gadus morhua was studied in a set of three experiments in a sea cage with two underwater platforms, where restricted amounts of food was delivered several times per day during an acoustic training period. It took c. 1 week to train 20 naïve...

journal_title：Journal of fish biology

authors： Björnsson B,Karlsson H,Macrander A

更新日期：2018-11-01 00:00:00

abstract：:The high variability in survival over the past three decades of north-west Pacific Chinook salmon Oncorhynchus tshawytscha is summarized for 24 stocks and analysed using hierarchical Bayesian models. Results from a simple model indicate that recruitment anomalies appear to be correlated in time and space. A simple mod...

journal_title：Journal of fish biology

authors： Sharma R,Liermann M

更新日期：2010-11-01 00:00:00

abstract：:Fecundity data for four species (American plaice Hippoglossoides platessoides, yellowtail flounder Limanda ferruginea, witch flounder Glyptocephalus cynoglossus and Atlantic cod Gadus morhua) of north-west Atlantic demersal fishes, corresponding to nine populations, were examined in relation to fish size and condition...

journal_title：Journal of fish biology

authors： Rideout RM,Morgan MJ

更新日期：2010-04-01 00:00:00

abstract：:Introduced Gambusia holbrooki in a natural lagoon of southern Spain consisted of two age groups: 1992 cohort, 7-11 months old and 1993 cohort, <4 months old. In the 1992 cohort, females grew even during the gestation period at about 0.30 mm day-1. In the 1993 cohort, females displayed a high growth rate (0.55 mm day-1...

journal_title：Journal of fish biology

authors： Fernandez-Delgado C,Rossomanno S

更新日期：1997-07-01 00:00:00

abstract：:During their third and fourth years of life, triploid Atlantic cod Gadus morhua females exhibited diminished ovarian development at both macroscopic and microscopic levels, with significantly lower gonado-somatic indices (I(G)) and higher carcass yields (Y(C)) than diploid females during spawning periods. In contrast,...

journal_title：Journal of fish biology

authors： Feindel NJ,Benfey TJ,Trippel EA

更新日期：2011-06-01 00:00:00

abstract：:Laser photogrammetry was found to be a promising new cost-effective technique for measuring free-swimming whale sharks Rhincodon typus. Photogrammetric measurements were more precise than visual size estimates by experienced researchers, with results from the two methods differing by 9· 8 ± 1· 1% (mean ±s.e.). A new m...

journal_title：Journal of fish biology

authors： Rohner CA,Richardson AJ,Marshall AD,Weeks SJ,Pierce SJ

更新日期：2011-01-01 00:00:00

abstract：:The interaction between two species of gadoid and a shrimp stock was studied in a 40 km long two-armed fjord in north-west Iceland. On the basis of acoustic and trawl surveys in 2005 and 2006, immature cod Gadus morhua and haddock Melanogrammus aeglefinus were found to migrate to the inner part of the fjord in late su...

journal_title：Journal of fish biology

authors： Björnsson B,Reynisson P,Solmundsson J,Valdimarsson H

更新日期：2011-04-01 00:00:00

abstract：:Otolith shape variation of seven Atlantic herring Clupea harengus populations from Canada, the Faroe Islands, Iceland, Ireland, Norway and Scotland, U.K., covering a large area of the species' distribution, was studied in order to see if otolith shape can be used to discriminate between populations. The otolith shape ...

journal_title：Journal of fish biology

authors： Libungan LA,Óskarsson GJ,Slotte A,Jacobsen JA,Pálsson S

更新日期：2015-04-01 00:00:00

abstract：:We investigated the density and size structure of the endangered Knysna seahorse Hippocampus capensis in the macroalga Codium tenue at three sites in a residential marina estate in the Knysna Estuary, South Africa, over an 18 month period from March 2017 to August 2018. Seahorses were present in C. tenue throughout th...

journal_title：Journal of fish biology

authors： de Villiers NM,Barker C,Claassens L,Hodgson AN

更新日期：2019-12-01 00:00:00

abstract：:A revised diagnosis for the smiliogastrin genus Clypeobarbus is provided and a new species, Clypeobarbus breviclipeus, from the Kwilu River (Kasai Basin) of central Africa, is described. Another species co-occurring in the Kwilu system, 'Barbus' matthesi, shares all diagnostic morphological synapomorphies of Clypeobar...

journal_title：Journal of fish biology

authors： Stiassny ML,Sakharova H

更新日期：2016-04-01 00:00:00

abstract：:In this study, the complementary DNA (cDNA) of Japanese pufferfish Takifugu rubripes tumour necrosis factor-related apoptosis-inducing ligand (TRAIL) was cloned by reverse-transcription PCR. The open reading frame of the TRAIL consisted of 870 bases. The deduced amino-acid sequence of the TRAIL showed a high homology ...

journal_title：Journal of fish biology

authors： Li JF,Ai HX,Zhang J,Du MX,Zhang Z,Zhang JX,Zhang SQ

更新日期：2011-09-01 00:00:00