A new species of Astyanax Baird & Girard (Characiformes: Characidae) from the Rio Paraguaçu basin, Chapada Diamantina, Bahia, Brazil, with comments on bony hooks on all fins.

abstract：:Analyses of mitochondrial (mt) DNA and microsatellite variation were carried out to examine the relationships between 10 freshwater populations of three-spined sticklebacks Gasterosteus aculeatus along the eastern coast of the Adriatic Sea. Partial sequences of the mtDNA control region and cytochrome b gene, in additi...

journal_title：Journal of fish biology

authors： DeFaveri J,Zanella LN,Zanella D,Mrakovčić M,Merilä J

更新日期：2012-01-01 00:00:00

abstract：:Large aggregations of rodlet cells in the gonads of male and female Greenland halibut Reinhardtius hippoglossoides are reported for the first time. These rodlet cells were not arranged epithelially but rather were found throughout the connective tissue between oocytes (females) or within lymphatic spaces between testi...

journal_title：Journal of fish biology

authors： Rideout RM,Smith SA,Morgan MJ

更新日期：2015-05-01 00:00:00

abstract：:Transect surveys of hamlet communities (Hypoplectrus spp., Serranidae) covering 14 000 m2 across 16 reefs off La Parguera, Puerto Rico, are presented and compared with a previous survey conducted in the year 2000. The hamlet community has noticeably changed over 17 years, with a > 30% increase in relative abundance of...

journal_title：Journal of fish biology

authors： Hench K,Mcmillan WO,Betancur-R R,Puebla O

更新日期：2017-11-01 00:00:00

abstract：:Fourteen new microsatellite loci were developed and tested on Atlantic herring Clupea harengus with 39 individuals from Iceland and 49 individuals from Norway. The microsatellites, which contain di, tri and tetranucleotide repeats, are polymorphic (7-30 alleles), with observed heterozygosity ranging between 0·69 and 1...

journal_title：Journal of fish biology

authors： Libungan LA,Ólafsdóttir G,Skírnisdóttir S,Pálsson S,Pampoulie C,Björnsdóttir SH,Ólafsson K,Óskarsson GJ,Daníelsdóttir AK

更新日期：2012-09-01 00:00:00

abstract：:The dominancy of semi-wild and hatchery-reared white-spotted charr Salvelinus leucomaenis juveniles was evaluated using pair-wise enclosure tests and field stocking tests. The semi-wild S. leucomaenis originated in a hatchery, being stocked into the test stream as eyed-eggs. In the pair-wise enclosure test, the semi-w...

journal_title：Journal of fish biology

authors： Nakamura T,Doi T

更新日期：2014-05-01 00:00:00

abstract：:A reference staging series of 18 morphological stages of laboratory reared lake whitefish Coregonus clupeaformis is provided. The developmental processes of blastulation, gastrulation, neurulation as well as development of the eye, circulatory system, chromatophores and mouth are included and accompanied by detailed d...

journal_title：Journal of fish biology

authors： Sreetharan S,Thome C,Mitz C,Eme J,Mueller CA,Hulley EN,Manzon RG,Somers CM,Boreham DR,Wilson JY

更新日期：2015-09-01 00:00:00

abstract：:The effects of passive integrated transponder (PIT) tagging on the growth and survival of kelp grouper Epinephelus bruneus was examined over 1 year. The overall average mass gain for the 1 year period of the abdominal cavity tagged group was higher than the dorsal muscle tagged group. No significant differences were f...

journal_title：Journal of fish biology

authors： Park MO,Park IS

更新日期：2009-01-01 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：:The evolutionary origin of the only north-west Saharan haplochromine cichlid, Astatotilapia desfontainii, was explored using mitochondrial DNA sequences. Phylogenetic analyses revealed that this species belonged to the main East African-Nilotic haplochromine clade, but was a distinct lineage that diverged from modern ...

journal_title：Journal of fish biology

authors： Genner MJ,Haesler MP

更新日期：2010-02-01 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：:Pethia sanjaymoluri, a new cyprinid, is described from the Pavana and Nira tributaries of Bhima River, Krishna drainage, Maharashtra, India. It can be distinguished from congeners by a combination of characteristics that includes an incomplete lateral line, absence of barbels, upper lip thick and fleshy, 23-25 lateral...

journal_title：Journal of fish biology

authors： Katwate U,Jadhav S,Kumkar P,Raghavan R,Dahanukar N

更新日期：2016-05-01 00:00:00

abstract：:Anchoviella hernanni sp. nov. is described from the upper Amazon River basin, in tributaries of the Marañon, Ucayali and Madre de Dios river drainages that drain the Peruvian Andes. The new taxon can be distinguished from all congeners except Anchoviella jamesi, Anchoviella manamensis and Anchoviella perezi, by having...

journal_title：Journal of fish biology

authors： Loeb MV,Varella HR,Menezes NA

更新日期：2018-06-01 00:00:00

abstract：:Experiments done in aquaria under control and either turbid or densely vegetated conditions indicated that three-spined stickleback Gasterosteus aculeatus sneaking behaviour is affected by decreased underwater visibility. Success of sneaking behaviour decreased significantly under increased turbidity but not increased...

journal_title：Journal of fish biology

authors： Vlieger L,Candolin U

更新日期：2009-11-01 00:00:00

abstract：:During low-water period, freshwater stingray Paratrygon aiereba collected in the whitewater (WW) of the River Amazon showed higher urea content, osmolality, Na(+) and Cl(-) concentrations in plasma and perivisceral fluid than those caught in blackwater (BW) of the River Negro. Gills and kidney Na(+)-K(+)-ATPase activi...

journal_title：Journal of fish biology

authors： Duncan WP,Costa OT,Araújo ML,Fernandes MN

更新日期：2009-03-01 00:00:00

abstract：:Ethanol storage and lipid and urea extraction had no effect on bluespotted maskray Neotrygon kuhlii muscle δ13 C values whereas urea-removal and ethanol storage increased δ15 N values. Results presented here show a significant δ15 N increase post-urea removal and provide additional support for this approach in future ...

journal_title：Journal of fish biology

authors： Burgess KB,Bennett MB

更新日期：2017-01-01 00:00:00

abstract：:This study used data provided by the Chinese Longline Fishery Scientific Observer Programme from the tropical eastern Atlantic Ocean to estimate the reproductive parameters of the blue shark (Prionace glauca) and crocodile shark (Pseudocarcharias kamoharai). Sizes ranged from 80 to 298 cm fork length (FL) for blue sha...

journal_title：Journal of fish biology

authors： Wu F,Kindong R,Dai X,Sarr O,Zhu J,Tian S,Li Y,Nsangue BTN

更新日期：2020-12-01 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：: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：: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：:This study tested whether differences in sensitivity between the upper and lower olfactory epithelia of Solea senegalensis are associated with different odorant receptors and transduction pathways, using the electro-olfactogram. Receptor mechanisms were assessed by cross-adaptation with amino acids (L-cysteine, L-phen...

journal_title：Journal of fish biology

authors： Velez Z,Hubbard PC,Barata EN,Canário AV

更新日期：2013-09-01 00:00:00

abstract：:This study evaluated Atlantic salmon Salmo salar smolt survival through the lower Penobscot River, Maine, U.S.A., and characterized relative differences in proportional use and survival through the main-stem of the river and an alternative migration route, the Stillwater Branch. The work was conducted prior to removal...

journal_title：Journal of fish biology

authors： Stich DS,Bailey MM,Zydlewski JD

更新日期：2014-10-01 00:00:00

abstract：:Baltic cod Gadus morhua otoliths marked with oxytetracycline (OTC) in 1974-1975 had been sectioned and the sections stored in paper envelopes at room temperature in dry, dark conditions. After 40 years of storage, the historic OTC marks were still clearly visible showing that OTC is suitable for long-term chemical mar...

journal_title：Journal of fish biology

authors： Krumme U,Bingel F

更新日期：2016-10-01 00:00:00

abstract：:Video cameras recorded the diurnal visitation rates of transient (large home range) piscivorous fishes to coral patch reefs in The Bahamas and identified 11 species. Visits by bar jack Caranx ruber, mutton snapper Lutjanus analis, yellowtail snapper Ocyurus chrysurus, barracuda Sphyraena barracuda and cero Scomberomor...

journal_title：Journal of fish biology

authors： Harborne AR,Selwyn JD,Lawson JM,Gallo M

更新日期：2017-01-01 00:00:00

abstract：:A scavenging interaction between the arrow tooth eel Synaphobranchus kaupii and the Portuguese dogfish Centroscymnus coelolepis, both ubiquitous components of fish assemblages at bathyal depths, was observed. Using a baited camera between 1297 and 2453 m in the eastern Atlantic Ocean continental slope, it was shown th...

journal_title：Journal of fish biology

authors： Jamieson AJ,Fujii T,Bagley PM,Priede IG

更新日期：2011-07-01 00:00:00

abstract：:The critically endangered smalltooth sawfish Pristis pectinata reproduces biennially in central west Florida, U.S.A. Here we demonstrate that smalltooth sawfish are physiologically capable of reproducing annually in a captive environment. The smalltooth sawfish are held in an open system, with abiotic conditions that ...

journal_title：Journal of fish biology

authors： Flowers KI,Chapman DD,Kemp T,Wert D,Feldheim KA

更新日期：2020-11-01 00:00:00

abstract：:Populations of endemic Croatian dace were found to belong to two different species, one of which is first described in this study. Telestes karsticus sp. nov. differed morphologically from Telestes polylepis in the total count of lateral line scales, number of gill rakers and the shape of the posterior margin of the a...

journal_title：Journal of fish biology

authors： Marčić Z,Buj I,Duplić A,Caleta M,Mustafić P,Zanella D,Zupančič P,Mrakovčić M

更新日期：2011-08-01 00:00:00

abstract：:Fish reproduction is likely to be affected by increasing water temperatures arising from climate change. Normal changes in environmental temperature have the capacity to affect endocrine function and either advance or retard gametogenesis and maturation, but above-normal temperatures have deleterious effects on reprod...

journal_title：Journal of fish biology

authors： Pankhurst NW,King HR

更新日期：2010-01-01 00:00:00

abstract：:In this study, carp Cyprinus carpio were injected with various steroid compounds, including synthetic and natural progestogens and the glucocorticoid cortisol, to investigate effects on leucocytes isolated from their kidneys. Injection of cortisol led to an increased spleeno-somatic index (I(S)) on day 21 post-injecti...

journal_title：Journal of fish biology

authors： Pietsch C,Neumann N,Preuer T,Kloas W

更新日期：2011-07-01 00:00:00

abstract：:The diet of pearly razorfish Xyrichtys novacula, caught monthly along the shores of the Island of Lampedusa, appeared to be mainly composed of crustaceans, followed by colonial ascidians, molluscs and polychaetes. Among prey, sand dwellers and phanerogam-associated species were recorded. In winter months, the diet was...

journal_title：Journal of fish biology

authors： Castriota L,Falautano M,Finoia MG,Campo D,Scarabello MP,Andaloro F

更新日期：2010-05-01 00:00:00

abstract：:Variation in the body morphology of juvenile brown trout Salmo trutta was studied for both wild and hatchery-reared individuals from the same gene pool. The thin-plate spline (TPS) method by pointing landmarks was used to characterize juveniles from their natal environment, the River Kuusinkijoki in eastern Finland, a...

journal_title：Journal of fish biology

authors： Vehanen T,Huusko A

更新日期：2011-11-01 00:00:00