Variations of body geometry in Brycon henni (Teleostei: Characiformes, Bryconidae) in different rivers and streams.

abstract：:A comparative cytogenetic analysis, using both conventional staining techniques and fluorescence in situ hybridization, of six Indo-Pacific moray eels from three different genera (Gymnothorax fimbriatus, Gymnothorax flavimarginatus, Gymnothorax javanicus, Gymnothorax undulatus, Echidna nebulosa and Gymnomuraena zebra)...

journal_title：Journal of fish biology

authors： Coluccia E,Deidda F,Cannas R,Lobina C,Cuccu D,Deiana AM,Salvadori S

更新日期：2015-09-01 00:00:00

abstract：:This study describes anatomical, histological and histochemical features of the digestive tract mucosal layer of the matrinxã Brycon amazonicus, an omnivorous freshwater fish endemic from the Amazon basin. This species presents short thick oesophagus with longitudinal folds, that allow the passage of large food items....

journal_title：Journal of fish biology

authors： Vidal MR,Ruiz TFR,Dos Santos DD,Gardinal MVB,de Jesus FL,Faccioli CK,Vicentini IBF,Vicentini CA

更新日期：2020-01-01 00:00:00

abstract：:In some small, often unstable, streams of the Gila River drainage, New Mexico, Gila trout Oncorhynchus gilae populations fluctuated numerically seasonally and annually. Few differences were noted in length-weight and size-structure comparisons, but Fulton condition index varied significantly. Time of sample and time s...

journal_title：Journal of fish biology

authors： Propst DL,Stefferud JA

更新日期：1997-12-01 00:00:00

abstract：:The chemical composition of common carp Cyprinus carpio asteriscus (vaterite) and lapillus (aragonite) otoliths from the same individual and reflecting the same growth period was measured to (1) determine whether there are differences in the uptake of trace metals (Mg:Ca, Mn:Ca, Sr:Ca and Ba:Ca ) and Sr isotope ratios...

journal_title：Journal of fish biology

authors： Macdonald JI,McNeil DG,Crook DA

更新日期：2012-10-01 00:00:00

abstract：:Analysis of maximum depth of occurrence of 11 952 marine fish species shows a global decrease in species number (N) with depth (x; m): log10 N = -0·000422x + 3·610000 (r(2)  = 0·948). The rate of decrease is close to global estimates for change in pelagic and benthic biomass with depth (-0·000430), indicating that spe...

journal_title：Journal of fish biology

authors： Priede IG,Froese R

更新日期：2013-12-01 00:00:00

abstract：:The distribution patterns of alpine bullhead Cottus poecilopus in three tributary streams of the Rožnovská Bečva River (Danube basin) were studied with respect to temperature, oxygen concentration and saturation, shading, current, conductivity, total organic carbon (TOC), nitrates and phosphates, biochemical oxygen de...

journal_title：Journal of fish biology

authors： Baran R,Kubecka J,Kubín M,Lojkásek B,Mrkvička T,Ricard D,Rulík M

更新日期：2015-02-01 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：:Partial migration, where only some individuals from a population migrate, has been widely reported in a diverse range of animals. In this paper, what is known about the causes and consequences of partial migration in fishes is reviewed. Firstly, the ultimate and proximate drivers of partial migration are reflected upo...

journal_title：Journal of fish biology

authors： Chapman BB,Hulthén K,Brodersen J,Nilsson PA,Skov C,Hansson LA,Brönmark C

更新日期：2012-07-01 00:00:00

abstract：:This paper highlights possible effects of physical and chemical mechanisms of formalin fixation and preservation on biological tissue and reviews the consequent potential inaccuracies on estimates of body mass of small fishes fixed and preserved in formalin. Twenty-six papers including 65 independent experiments with ...

journal_title：Journal of fish biology

authors： Nordeide JT

更新日期：2020-02-01 00:00:00

abstract：:This study documents unexpectedly low levels of intra and interpopulation genetic diversity in Kryptolebias ocellatus, an androdioecious and predominantly self-fertilizing killifish from south-eastern Brazil. This finding generally is inconsistent with the established opinion that the K. ocellatus and K. marmoratus cl...

journal_title：Journal of fish biology

authors： Tatarenkov A,Lima SM,Avise JC

更新日期：2011-12-01 00:00:00

abstract：:A combined study of Alborán Sea Sardina pilchardus larval daily growth and isotopic signature was carried out to elucidate the cause of morphometric differences observed in a single larval school whereby the standard length (L(S)) v. dry mass (M(D)) relationship differentiated a heavier-by-size larval group from a lig...

journal_title：Journal of fish biology

authors： Laiz-Carrión R,Quintanilla JM,Mercado JM,García A

更新日期：2011-10-01 00:00:00

abstract：:A survey of soft sediment tide pools was conducted to assess the occupation and assemblage of fishes on three different intertidal shores in Moreton Bay, Australia, between January and December 2009. Tide-pool volume ranged from 0· 30 to 29· 75 l and varied significantly between months and sites. A total of 1364 indiv...

journal_title：Journal of fish biology

authors： Chargulaf CA,Townsend KA,Tibbetts IR

更新日期：2011-02-01 00:00:00

abstract：:Adult chum salmon Oncorhynchus keta homing behaviour in a two-choice test tank (Y-maze) was monitored using a passive integrated transponder (PIT)-tag system in response to river-specific dissolved free amino-acid (DFAA) profiles and revealed that the majority of O. keta showed a preference for artificial natal-stream...

journal_title：Journal of fish biology

authors： Chen EY,Leonard JBK,Ueda H

更新日期：2017-04-01 00:00:00

abstract：:Data on low dissolved oxygen (DO₂) tolerance of freshwater fish species of north-western Europe were used to create species sensitivity distributions (SSD). Lowest observed effect concentrations (LOEC) and 100% lethal concentrations (LC₁₀₀) data were collected from the scientific literature. Comparisons were made amon...

journal_title：Journal of fish biology

authors： Elshout PM,Dionisio Pires LM,Leuven RS,Wendelaar Bonga SE,Hendriks AJ

更新日期：2013-07-01 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：:Selectivity of recreational angling on fish behaviour was studied by examining whether capture order or lure type (natural v. artificial bait) in ice-fishing could explain behavioural variation among perch Perca fluviatilis individuals. It was also tested if individually assessed personality predicts fish behaviour in...

journal_title：Journal of fish biology

authors： Kekäläinen J,Podgorniak T,Puolakka T,Hyvärinen P,Vainikka A

更新日期：2014-11-01 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：:This study compared the growth rates of female masu salmon Oncorhynchus masou, who possessed a male-specific gene marker, the growth hormone pseudogene (GHp), and normal females, as estimated from their scale growth. There was a difference between the growth rates of GHp-positive females and those of normal females of...

journal_title：Journal of fish biology

authors： Yamamoto T,Kitanishi S

更新日期：2014-01-01 00:00:00

abstract：:The Argentine hake, Merluccius hubbsi, is one of the most important fishing species in the Argentine Sea due to its great abundance and high-quality meat. The study of the nutritional condition is widely used to determine the physiological state of the fish larvae and to estimate their survival possibilities. The larv...

journal_title：Journal of fish biology

authors： Cohen S,Díaz AO,Diaz MV

更新日期：2021-01-01 00:00:00

abstract：:Seasonal and ontogenetic shifts in the diet of Arctic charr Salvelinus alpinus were studied in a deep, ultra-oligotrophic lake in subarctic Finland from both stomach contents and the stable carbon (delta(13)C) and nitrogen (delta(15)N) isotope compositions of muscle and liver tissues. Both diet and isotope results ind...

journal_title：Journal of fish biology

authors： Eloranta AP,Kahilainen KK,Jones RI

更新日期：2010-07-01 00:00:00

abstract：:Recent average annual catches of sharks by tuna longline vessels fishing in the Republic of the Marshall Islands (RMI) are estimated to be between 1583 and 2274 t. Although 22 shark species have been recorded by the observer programme for this fishery, 80% of the annual catch comprises only five species: blue shark Pr...

journal_title：Journal of fish biology

authors： Bromhead D,Clarke S,Hoyle S,Muller B,Sharples P,Harley S

更新日期：2012-04-01 00:00:00

abstract：:The coding region of neuropeptide Y (NPY) complementary (c)DNA was cloned from the hypothalamus RNA of black seabream Acanthopagrus schlegelii, including 297 bp coding for prepro-NPY of 98 amino acids. Real-time reverse transcriptase-polymerase chain reaction was performed to determine A. schlegelii npy gene expressio...

journal_title：Journal of fish biology

authors： Ma XL,Zheng LW,Mao LT,Zhou LB,Wang AL

更新日期：2013-04-01 00:00:00

abstract：:The effect of UV radiation on habitat use of two species of intertidal fishes that inhabit the same pools but exhibit different activity levels and diets was measured: the highly active omnivorous Girella laevifrons and the cryptic carnivorous Graus nigra. Individuals of each species were acclimated to a tank divided ...

journal_title：Journal of fish biology

authors： Pulgar J,Lagos P,Maturana D,Valdés M,Aldana M,Pulgar VM

更新日期：2015-02-01 00:00:00

abstract：:Size-dependent reproductive success of wild zebrafish Danio rerio was studied under controlled conditions in the laboratory to further understand the influence of spawner body size on reproductive output and egg and larval traits. Three different spawner size categories attained by size-selective harvesting of the F(1...

journal_title：Journal of fish biology

authors： Uusi-Heikkilä S,Wolter C,Meinelt T,Arlinghaus R

更新日期：2010-08-01 00:00:00

abstract：:This study characterized the gastrointestinal microbiome of nine juvenile farmed pikeperch Sander lucioperca using a metagenomics approach based on bacterial 16S rRNA gene sequencing. Potential changes in the gut microbiota during 2 months of S. lucioperca juvenile life were investigated. Results revealed that gut mic...

journal_title：Journal of fish biology

authors： Dulski T,Zakęś Z,Ciesielski S

更新日期：2018-01-01 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

abstract：:This paper examines the increasingly close interaction between natural and social scientists, non-governmental organizations (NGO) and industry, in pursuit of responsible ecosystem-based management of fisheries. South Africa has committed to implementing an ecosystem approach to fisheries management. Management advice...

journal_title：Journal of fish biology

authors： Field JG,Attwood CG,Jarre A,Sink K,Atkinson LJ,Petersen S

更新日期：2013-10-01 00:00:00

abstract：:The influences of water temperature and feeding regime on otolith growth in Anguilla japonica glass eels and elvers were investigated using individuals reared at 5, 10, 15, 20, 25 and 30 degrees C and in fed or unfed conditions at salinity 32 after their otoliths were marked with alizarin complexone (ALC). To eliminat...

journal_title：Journal of fish biology

authors： Fukuda N,Kuroki M,Shinoda A,Yamada Y,Okamura A,Aoyama J,Tsukamoto K

更新日期：2009-06-01 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：: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