High-density aggregations of rodlet cells in the gonads of Greenland halibut Reinhardtius hippoglossoides, a deep-water marine flatfish.

abstract：:During the past 40 years many new techniques have emerged that have been pivotal in furthering understanding of the physiology of fish behaviour. Behavioural studies have been enhanced by video recording systems and software for computerized event recording analysis, fine scale anatomical studies by fluorescence confo...

journal_title：Journal of fish biology

authors： Huntingford FA

更新日期：2012-12-01 00:00:00

abstract：:Genetic variability and differences in wild striped snakehead Channa striata from Malaysia were analysed by genotyping nine novel nuclear microsatellite loci. Analysis revealed moderate-to-high genetic diversity in most of the populations, indicative of large effective population sizes. The highly diversified populati...

journal_title：Journal of fish biology

authors： Tan MP,Jamsari AF,Siti Azizah MN

更新日期：2016-05-01 00:00:00

abstract：:Oxygen uptake, heart rate and contraction frequencies of slow oxidative (SO) and fast glycolytic (FG) muscle were measured simultaneously in gilthead seabream Sparus aurata submitted to stepwise increases in current speed in a swimming respirometer. Variation in oxygen uptake was closely related to variation in heart ...

journal_title：Journal of fish biology

authors： Hachim M,Rouyer T,Dutto G,Kerzerho V,Bernard S,Bourjea J,McKenzie DJ

更新日期：2020-11-20 00:00:00

abstract：:In August 2007, October 2008 and September-October 2010, 241 Tucker trawl and plankton net tows were conducted at the surface to depths of 1377 m at six locations in the northern and eastern Gulf of Mexico (GOM) to document leptocephalus diversity and determine how assemblage structure, larval size, abundance and isot...

journal_title：Journal of fish biology

authors： Quattrini AM,McClain-Counts J,Artabane SJ,Roa-Varón A,McIver TC,Rhode M,Ross SW

更新日期：2019-04-01 00:00:00

abstract：:This study indicated that the life-history traits of European barracuda Sphyraena sphyraena are apparently better suited to their environmental conditions compared to the more physically restricted life-history traits of the yellow-mouth barracuda Sphyraena viridensis, which co-habit the north-western Mediterranean Se...

journal_title：Journal of fish biology

authors： Villegas-Hernández H,Muñoz M,Lloret J

更新日期：2014-06-01 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：:Blood sampling through the caudal vasculature is a widely used technique in fish biology for investigating organismal health and physiology. In live fishes, it can provide a quick, easy and relatively non-invasive method for obtaining a blood sample (cf. cannulation and cardiac puncture). Here, a general set of recomm...

journal_title：Journal of fish biology

authors： Lawrence MJ,Raby GD,Teffer AK,Jeffries KM,Danylchuk AJ,Eliason EJ,Hasler CT,Clark TD,Cooke SJ

更新日期：2020-07-01 00:00:00

abstract：:The composition, species richness and diversity of a coastal fish assemblage from the Kalpakkam coast of south-east India are described along with temporal distribution patterns related to seasonal fluctuations in dissolved oxygen, salinity, pH, chlorophyll-a, phytoplankton and zooplankton species richness and density...

journal_title：Journal of fish biology

authors： Biswas S,Hussain KJ,Das NP,Russell BC,Satpathy KK,Mishra SS

更新日期：2014-09-01 00:00:00

abstract：:This study investigated whether the body morphology of the tetra fish Astyanax lacustris (previously Astyanax asuncionensis) varied between populations inhabiting one lagoon (a lentic, shallow environment, with great habitat complexity created by aquatic macrophytes) and an adjacent river (a deeper, lotic environment ...

journal_title：Journal of fish biology

authors： Costa-Pereira R,Araújo MS,Paiva F,Tavares LE

更新日期：2016-08-01 00:00:00

abstract：:In the present study, pop-off data storage tags (pDST) without any transmitting capabilities were attached to 118 adult salmonids in a 19 000 km2 freshwater system (Lake Ontario). The 9·3 cm long cylindrical tags were externally attached to fishes using a backpack-style harness, set to record pressure (dBar ≈ depth in...

journal_title：Journal of fish biology

authors： Raby GD,Johnson TB,Kessel ST,Stewart TJ,Fisk AT

更新日期：2017-12-01 00:00:00

abstract：:In many experiments, euthanasia, or humane killing, of animals is necessary. Some methods of euthanasia cause death through cessation of respiratory or cardiovascular systems, causing oxygen levels of blood and tissues to drop. For experiments where the goal is to measure the effects of environmental low oxygen (hypox...

journal_title：Journal of fish biology

authors： Larter KF,Rees BB

更新日期：2017-06-01 00:00:00

abstract：:The damselfish Chromis chromis is typically the most abundant fish species in the rocky littoral environment of the Mediterranean Sea, where it feeds in huge shoals on incoming zooplankton and rests near the seabed each night. Research has shown that large populations of C. chromis play a fundamental role by transferr...

journal_title：Journal of fish biology

authors： Pinnegar JK

更新日期：2018-03-01 00:00:00

abstract：:Fish assemblages along the longitudinal course of an old, disconnected and modified side arm of the Danube floodplain downstream of Vienna, Austria, as well as habitat structure, hydro-morphological and hydro-chemical factors, were investigated in order to analyse the key environmental determinants of the European mud...

journal_title：Journal of fish biology

authors： Sehr M,Keckeis H

更新日期：2017-10-01 00:00:00

abstract：:Metabolic rate is a critical factor in animal biology and ecology, providing an objective measure that can be used in attributing a cost to different activities and to assessing what animals do against some optimal behaviour. Ideally, metabolic rate would be estimated directly by measuring heat output but, until recen...

journal_title：Journal of fish biology

authors： Metcalfe JD,Wright S,Tudorache C,Wilson RP

更新日期：2016-01-01 00:00:00

abstract：:Electroreception in marine fishes occurs across a variety of taxa and is best understood in the chondrichthyans (sharks, skates, rays, and chimaeras). Here, we present an up-to-date review of what is known about the biology of passive electroreception and we consider how electroreceptive fishes might respond to electr...

journal_title：Journal of fish biology

authors： Newton KC,Gill AB,Kajiura SM

更新日期：2019-07-01 00:00:00

abstract：:Ovarian development was examined in relation to size and temperature in late pre-spawning Ammodytes marinus over 5 years. Oocyte diameter was positively related to length indicating that larger females spawned earlier. Age and temperature, whilst accounting for the effect of length, were not found to affect oocyte dev...

journal_title：Journal of fish biology

authors： Boulcott P,Clarke J,Wright PJ

更新日期：2017-07-01 00:00:00

abstract：:Specific growth rate (G(S) ) and white skeletal muscle composition were measured in the mummichog Fundulus heteroclitus over a period of 28 days at four levels of dissolved oxygen (DO): severe hypoxia (c. 1.2 mg O(2) l(-1) ), moderate hypoxia (3.0 mg O(2) l(-1) ), normoxia (7.1 mg O(2) l(-1) ) and hyperoxia (10.6 mg O...

journal_title：Journal of fish biology

authors： Rees BB,Targett TE,Ciotti BJ,Tolman CA,Akkina SS,Gallaty AM

更新日期：2012-07-01 00:00:00

abstract：:Energy densities of 670 fishes belonging to nine species were measured to evaluate intraspecific variability. Functional groups based on energy density appeared to be sufficiently robust to individual variability to provide a classification of forage fish quality applicable in a variety of ecological fields including ...

journal_title：Journal of fish biology

authors： Spitz J,Jouma'a J

更新日期：2013-06-01 00:00:00

abstract：:The purpose of this study was to investigate the life-history transitions of the line snout goby Elacatinus lori, a coral-reef fish endemic to Belize. Specifically, this study aimed to: (1) quantify the length of pelagic larval duration (PLD) and standard length (LS ) at settlement, (2) determine the age and LS at sex...

journal_title：Journal of fish biology

authors： Rickborn AJ,Buston PM

更新日期：2015-02-01 00:00:00

abstract：:Rod spectral sensitivity data (λmax ), measured by microspectrophotometry, were compiled for 403 species of ray-finned fishes in order to examine four hypothesized predictors of rod spectral sensitivity (depth, habitat, diet and temperature). From this database, a subset of species that were known to be adults and ava...

journal_title：Journal of fish biology

authors： Schweikert LE,Caves EM,Solie SE,Sutton TT,Johnsen S

更新日期：2019-07-01 00:00:00

abstract：:In this study, the cd9 gene, a member of the tetraspanin superfamily and involved in various cellular processes, was cloned from Lethenteron camtschaticum. Both real-time PCR and immunohistochemical assays showed broad distribution of cd9 in various L. camtschaticum tissues. In addition, expression levels of Cd9 mRNA ...

journal_title：Journal of fish biology

authors： Wu F,Su P,Chen L,Li M,Liu X,Li Q

更新日期：2012-09-01 00:00:00

abstract：:The onset of piscivory in fish, resulting in a shift from zooplankton or invertebrate to fish prey, was studied on pikeperch (Sander lucioperca) larvae displaying and not displaying piscivorous behaviour at different ages (23, 30, 37, 44 and 52 days post-hatching) using behavioural (attack, capture and swimming activi...

journal_title：Journal of fish biology

authors： Colchen T,Dias A,Gisbert E,Teletchea F,Fontaine P,Pasquet A

更新日期：2020-06-01 00:00:00

abstract：:This study presents the diet composition of western Baltic cod Gadus morhua based on 3150 stomachs sampled year-round between 2016 and 2017 using angling, gillnetting and bottom trawling, which enhanced the spatio-temporal coverage of cod habitats. Cod diet composition in shallow areas (<20 m depth) was dominated by b...

journal_title：Journal of fish biology

authors： Funk S,Frelat R,Möllmann C,Temming A,Krumme U

更新日期：2020-11-17 00:00:00

abstract：:The shark-like rays of the family Rhinidae (wedgefishes) are globally threatened with extinction. The poorly known clown wedgefish, Rhynchobatus cooki has historically been recorded only from fish markets in Singapore and Jakarta, Indonesia. Its natural geographic range has until now gone undocumented. Social media po...

journal_title：Journal of fish biology

authors： McDavitt MT,Kyne PM

更新日期：2020-12-01 00:00:00

abstract：:Invasion of armoured catfish, Pterygoplichthys spp., is a major threat to global aquatic biodiversity, and developing effective strategies for their control and eradication is both a concern and a research priority. A length-based population assessment of invasive Pterygoplichthys pardalis in southern India, a hotspot...

journal_title：Journal of fish biology

authors： Raj S,Kumar AB,Raghavan R,Dahanukar N

更新日期：2020-02-01 00:00:00

abstract：:Understanding the spatial and environmental variation in demographic processes of fisheries target species, such as coral grouper (Genus: Plectropomus), is important for establishing effective management and conservation strategies. Herein we compare the demography of Plectropomus leopardus and P. laevis between Austr...

journal_title：Journal of fish biology

authors： Payet SD,Lowe JR,Mapstone BD,Pratchett MS,Sinclair-Taylor TH,Taylor BM,Waldie PA,Harrison HB

更新日期：2020-10-01 00:00:00

abstract：:The present study tested the hypothesis of no delayed sublethal effects of mild angling and release on the feeding, growth, somatic condition and gonadal development of golden perch Macquaria ambigua during gametogenesis. Subsamples of adult M. ambigua (n = 17-21 of 207), originally captured from the wild and stocked ...

journal_title：Journal of fish biology

authors： Hall KC,Broadhurst MK,Butcher PA,Cameron L,Rowland SJ,Millar RB

更新日期：2017-05-01 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：:The effect of 17β-oestradiol (E2) on the growth of the thymus and its regionalization into cortex and medulla was investigated in juvenile European sea bass Dicentrarchus labrax as they find themselves close to sources of oestrogenic pollution whilst residing in their estuarine nursery areas. While the exposure to 2, ...

journal_title：Journal of fish biology

authors： Seemann F,Knigge T,Olivier S,Monsinjon T

更新日期：2015-03-01 00:00:00

abstract：:Molecular (mitochondrial cytochrome C oxidase subunit 1- COI) analysis was performed to characterize the poorly known Malapterurus minjiriya from Nigerian inland water bodies. Integrative taxonomy, involving morphological and molecular data, confirms the identity of M. minjiriya. Matrilineal genealogy reveals a sister...

journal_title：Journal of fish biology

authors： Oladipo SO,Nneji LM,Anifowoshe AT,Nneji IC

更新日期：2020-12-01 00:00:00