Journal of Ichthyology最新文献

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Locomotor Activity of the Intact and Visually Deprived Senegal Bichir Polypterus senegalus (Cladistia) at Different Water Temperatures 不同水温下完整和失去视觉的塞内加尔比奇鱼（Polypterus senegalus (Cladistia)）的运动活动

IF 0.7 4区生物学 Q4 FISHERIES

Journal of Ichthyology

Pub Date : 2024-06-25 DOI: 10.1134/s0032945224700164

A. O. Kasumyan, V. V. Zdanovich, V. V. Sataeva

Abstract

For the first time, the locomotor activity of the intact and visually deprived Senegal bichir Polypterus senegalus was assessed at different water temperatures (20, 25, 30 and 34°C). Using the open field test, it was shown that in intact fish, with increasing temperature, locomotor activity increases (most rapidly in the range of 20–25°C) and reaches a maximum at a temperature of 30°C, which can be close to the temperature optimum (or correspond to it) for the Senegal bichir. In visually deprived fish, locomotor activity is maximum at 20°C and decreases monotonically with increasing temperature; all indicators of locomotor activity (frequency of crossing test lines; time spent crossing the test line; distance covered by the fish; swimming speed) vary in visually deprived fish weaker than in intact ones. The differences in the behavior of intact and visually deprived fish indicate the presence of a functional relationship between vision and locomotor activity in evolutionarily ancient Cladistia.

摘要首次评估了塞内加尔比熊鱼在不同水温（20、25、30和34°C）下的运动活动。露天野外试验表明，在完整的鱼类中，随着温度的升高，运动活动会增加（在 20-25°C 范围内增加最快），并在 30°C 时达到最大值，这可能接近塞内加尔比熊的最适温度（或与之相对应）。视觉缺失鱼的运动活动在 20°C 时达到最大值，并随着温度的升高而单调下降；视觉缺失鱼的所有运动活动指标（穿过测试线的频率、穿过测试线的时间、鱼游动的距离、游动速度）的变化都比完整鱼弱。完整鱼类和视觉缺失鱼类的行为差异表明，在进化古老的鳉鱼类中，视觉和运动活动之间存在着功能关系。

引用次数: 0

Range Extension of Trachinotus ovatus (Carangidae) through the Western Black Sea off Turkish Coast 卵棘鲷(鲤科)在土耳其海岸附近黑海西部的分布范围扩展

IF 0.7 4区生物学 Q4 FISHERIES

Journal of Ichthyology

Pub Date : 2024-06-10 DOI: 10.1134/s0032945224700218

U. Uzer, F. S. Karakulak, H. Kabasakal

引用次数: 0

Morphological and DNA Barcoding Evidence Confirms the Presence of Semaprochilodus taeniurus (Prochilodontidae) in the Peruvian Amazon Basin 形态学和 DNA 条形码证据证实秘鲁亚马逊盆地存在 Semaprochilodus taeniurus (Prochilodontidae)

IF 0.7 4区生物学 Q4 FISHERIES

Journal of Ichthyology

Pub Date : 2024-06-10 DOI: 10.1134/s0032945224700206

M. Ruiz-Tafur, J. Chuctaya, D. Castro-Ruiz, C. Angulo, C. Garcia-Davila, J. R. Garcia-Ayala

引用次数: 0

Craniological Features of the Italian Spined Loach Cobitis bilineata (Cobitidae) 意大利棘鳅的头盖骨特征

IF 0.7 4区生物学 Q4 FISHERIES

Journal of Ichthyology

Pub Date : 2024-06-10 DOI: 10.1134/s003294522470022x

E. D. Vasil’eva, V. Vasil'ev

引用次数: 0

The Features of Demersal Fish Seasonal Distribution on the Pacific Shelf off the Northern Kuril Islands 北千岛群岛附近太平洋大陆架底层鱼类的季节性分布特征

IF 0.7 4区生物学 Q3 Agricultural and Biological Sciences

Journal of Ichthyology

Pub Date : 2024-05-14 DOI: 10.1134/s0032945224020048

Sen Tok Kim

Abstract—

The pattern of seasonal cycles of changes in the intra-annual distribution of fish in Pacific waters off the northern Kuril Islands is considered and their probable causes are determined. The subarctic structure of water masses along the Pacific coast off the northern Kuril Islands largely determines the conservatism of the vertical (bathymetric) structure of seasonal fish aggregations. The dynamic character of currents in the area off the islands with a large number of straits leads to significant variability in the location of fish aggregations in the direction along the coastline in interannual and seasonal aspects. In the autumn-winter period of the year, with cooling, the core of the total ichthyomass moves towards the upper slope of southeastern Kamchatka and the southern protrusion of the slope off Paramushir Island. In the spring-summer period, with warming, fish migrate dynamically along the slope to the south reaching lower depths in the shelf zone. At this time, fish are distributed along the entire Pacific coast off the northern Kuril Islands, forming separate aggregations on the shelf and upper parts of the slope off Paramushir and Onekotan islands, as well as on the slopes of the Fourth Kuril Strait and guyots near the above islands. The bathymetric range of fish habitat generally varies from 100–450 m in the cold season to 50–250 m in the warm feeding season.

摘要研究了千岛群岛北部太平洋水域鱼类年内分布的季节性周期变化模式，并确定了其可能的原因。千岛群岛北部太平洋沿岸水团的亚北极结构在很大程度上决定了季节性鱼类聚集的垂直（水深）结构的保守性。群岛外海域有大量海峡，海流的动态特性导致沿海岸线方向的鱼群聚集位置在年际和季节方面存在显著差异。在秋冬季节，随着降温，鱼类总量的核心向堪察加半岛东南部的上坡和帕拉穆希尔岛附近的南坡突出部移动。春夏季节，随着气温升高，鱼类沿着斜坡向南动态迁移，到达陆架区的较低深度。此时，鱼类分布在北千岛群岛附近的整个太平洋沿岸，在帕拉穆希尔岛和 Onekotan 岛附近的陆架和斜坡上部，以及第四千岛群岛海峡的斜坡和上述岛屿附近的盖奥茨形成单独的鱼群。鱼类栖息地的水深范围一般从寒冷季节的 100-450 米到温暖摄食季节的 50-250 米不等。

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引用次数: 0

Tactics of Fish Behavior in the Water Flow during Starvation 鱼类饥饿时在水流中的行为策略

IF 0.7 4区生物学 Q3 Agricultural and Biological Sciences

Journal of Ichthyology

Pub Date : 2024-05-14 DOI: 10.1134/s0032945224020097

D. S. Pavlov, V. Yu. Parshina, V. V. Kostin

Abstract

Individual movement parameters for the zebrafish Danio rerio and the Prussian carp Carassius gibelio during starvation for 12 days have been determined in an experimental hydrodynamic installation circular tank. The fishes represent two tactics of behavioral responses on starvation. The tactics of unidirectional responses have been manifested in the movement of individuals in one direction relative to the water flow on days 2–5 of starvation. The tactics of multidirectional responses have been manifested on days 10–12 of starvation as movements in different directions relative to the water flow. The population advantages of such behavioral tactics of fish response to an unfavorable factor are considered.

摘要在实验性水动力装置圆形水槽中测定了斑马鱼和鲫鱼在饥饿 12 天期间的个体运动参数。鱼类在饥饿时有两种行为反应策略。单向反应策略表现为在饥饿的第 2-5 天，个体相对于水流向一个方向运动。在饥饿的第 10-12 天，多向反应策略表现为相对于水流的不同方向的运动。研究考虑了鱼类对不利因素做出反应的这种行为策略的种群优势。

引用次数: 0

Changes in the Activity of Na+/K+-ATPase and in the Lipid Composition of the Gills of Pink Salmon Oncorhynchus gorbuscha (Salmonidae) from the White Sea in the Course of Spawning Migration 白海粉红鲑（鲑科）产卵洄游过程中鳃的 Na+/K+-ATP 酶活性和脂质成分的变化

IF 0.7 4区生物学 Q3 Agricultural and Biological Sciences

Journal of Ichthyology

Pub Date : 2024-05-14 DOI: 10.1134/s003294522402005x

E. I. Kaivarainen, N. N. Fokina, N. L. Rendakov, D. A. Efremov, N. N. Nemova

Abstract

Data are presented on changes in the activity of the membrane-bound osmoregulatory enzyme Na⁺/K⁺-ATPase and lipid composition in the gills of pink salmon Oncorhynchus gorbuscha during spawning migration from the White Sea to the river environment through the estuary. The compensatory reaction of pink salmon in a hypoosmotic environment is accompanied by a decrease in Na⁺/K⁺-ATPase activity and a change in the content of phosphatidylserine and polyunsaturated fatty acids (linoleic, eicosapentaenoic and docosahexaenoic). The results obtained indicate that effective osmoregulation in pink salmon during spawning migration from the sea to the river allows the implementation of a reproductive strategy.

摘要介绍了粉红鲑（Oncorhynchus gorbuscha）从白海经河口向河流环境产卵洄游过程中，膜结合渗透调节酶 Na+/K+-ATPase 的活性和鳃中脂质组成的变化数据。粉鲑在低渗透环境中的补偿反应伴随着 Na+/K+-ATP 酶活性的降低以及磷脂酰丝氨酸和多不饱和脂肪酸（亚油酸、二十碳五烯酸和二十二碳六烯酸）含量的变化。研究结果表明，粉鲑在从海洋向河流产卵洄游过程中，有效的渗透调节有助于实施繁殖策略。

引用次数: 0

Structure and Function of Gill Cover and Branchiostegal Rays in Teleostei 远洋鱼类鳃盖和鳃瓣的结构与功能

IF 0.7 4区生物学 Q3 Agricultural and Biological Sciences

Journal of Ichthyology

Pub Date : 2024-05-14 DOI: 10.1134/s0032945224020024

E. S. Gromova, V. V. Makhotin

Abstract—

A comparative analysis of the diversity in structure of gill cover and branchiostegal rays in Teleostei is presented. The variants of these bony structures are systematized according to the special features of their function during feeding and respiration. The morphology of the main opercular muscles is described. The special features of working m. levator operculi are discussed. The functional causes underlying the trend of decreasing size of the operculum and formation of a muscular gill cover are described. Possible factors influencing the changes in the shape and location of the opercular bones and branchiostegal rays are outlined.

摘要对长尾目鱼类鳃盖和鳃鳃鳐结构的多样性进行了比较分析。根据这些骨骼结构在摄食和呼吸过程中的功能特点，对其变体进行了系统化。介绍了主要鳃肌的形态。讨论了工作厣肌的特点。描述了鳃瓣缩小和肌肉鳃盖形成趋势的功能性原因。概述了影响厣骨和支骨射线形状和位置变化的可能因素。

引用次数: 0

Percentage of Leukocytes in Peripheral Blood, Head Kidney, and Spleen of the Abramis brama (Cyprinidae) Bream of the Upper Volga Reservoirs 伏尔加河上游水库鳊鱼外周血、头肾和脾脏中白细胞的百分比

IF 0.7 4区生物学 Q3 Agricultural and Biological Sciences

Journal of Ichthyology

Pub Date : 2024-05-14 DOI: 10.1134/s0032945224020140

T. A. Suvorova, A. V. German

Abstract

The results of a comparative study of the leukocyte formula of the bream Abramis brama, living in the Ivankovo, Uglich and Rybinsk reservoirs, have been presented. Significant differences in the content of band neutrophils and eosinophils in the peripheral blood, pronephros and spleen between individuals of all studied reservoirs were recorded. The highest leukocyte abundance index was observed in bream from the Uglich Reservoir.

摘要对生活在伊万科沃（Ivankovo）、乌格里奇（Uglich）和雷宾斯克（Rybinsk）水库中的鳊鱼白细胞公式进行比较研究的结果已经公布。在所有研究水库的个体之间，外周血、前肾和脾脏中的带状中性粒细胞和嗜酸性粒细胞含量存在显著差异。乌格里奇水库的鳊鱼白细胞丰度指数最高。

引用次数: 0

Life Cycle Characteristics and Distribution of Giant Grenadier Coryphaenoides pectoralis (Macrouridae) in Northwest Bering Sea 白令海西北部巨鳕鱼（Macrouridae）的生命周期特征和分布情况

IF 0.7 4区生物学 Q3 Agricultural and Biological Sciences

Journal of Ichthyology

Pub Date : 2024-05-14 DOI: 10.1134/s0032945224020012

A. I. Alferof, D. S. Kurnosov

Abstract

The outcomes from the survey research in distribution of the giant grenadier Coryphaenoides pectoralis at different stages of development in the Northwest Bering Sea over 1963–2020 have been reported. The data for 37 thousand catches performed with the bottom and multi-depth trawls at the depths between 0–1200 m are processed. It has been revealed that the species fish tend to spawn throughout the year, with two periods of peak spawning activity in the second half of a spring season and from the late summer season to the first half of an autumn season. The female fish ready to spawn migrate down the water column, keeping deeper than 600 m, where the males ready to spawn are concentrated. After spawning, they come back to the feeding areas of less water depths. The juvenile giant grenadier less than 30 cm in length can be encountered in the mesopaelagic and upper bathypelagic zones, which do not appear to form dense aggregations. The majority of the specimens less than 30–40 cm in length and smaller commonly leave this water column layer to occupy the bottom water layers along the continental shelf. Such differentiation between the juvenils and the sexually mature specimens can provide the opportunity to avoid cannibalism and to use the habitat food sources efficiently.

摘要报告了 1963-2020 年间对白令海西北部不同发育阶段巨鳕分布情况的调查研究结果。对在 0-1200 米水深使用底拖网和多深度拖网捕获的 37,000 次渔获数据进行了处理。结果表明，该鱼种倾向于全年产卵，在春季后半期和夏末至秋季前半期有两个产卵活动高峰期。准备产卵的雌鱼顺着水体向下洄游，保持在 600 米以下的水深，准备产卵的雄鱼就集中在这里。产卵后，它们会回到水深较浅的觅食区。在中层水和上层水区域，可以看到长度小于 30 厘米的巨石斑鱼幼鱼，它们似乎不会形成密集的聚集。大多数长度小于 30-40 厘米或更小的标本通常会离开这一水柱层，占据大陆架的底层水。幼体和性成熟标本之间的这种分化可以提供机会避免食人，并有效利用栖息地的食物来源。

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引用次数: 0

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